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Awesome PRs Welcome License Contributors

Privacy & Security-Focused Software and Services

A curated list of privacy-respecting apps, software, and providers 🔐

Too long? 🦒 See the TLDR version instead.

⏬ Skip to Content ⏬

Intro

Large data-hungry corporations dominate the digital world but with little, or no respect for your privacy. Migrating to open-source applications with a strong emphasis on security will help stop corporations, governments, and hackers from logging, storing or selling your personal data.

Be aware that no software is perfect- there will always be bugs and vulnerabilities. Also, applications can only as secure as the system they are running on. You have to keep your system up-to-date and follow good security practices.

Categories

Password Managers

Provider Description
BitWarden Fully-featured, open source password manager with cloud-sync. BitWarden is easy-to-use with a clean UI and client apps for desktop, web and mobile.
KeePass Hardened, secure and offline password manager. Does not have cloud-sync baked in, but deemed to be gold standard for secure password managers. KeePass clients: Strongbox (Mac & iOS), KeePassDX (Android), KeeWeb (Web-based/ self-hosted), KeePassXC (Windows, Mac & Linux), see more KeePass clients and extensions at awesome-keepass by @lgg.
LessPass (Self-Hosted) LessPass is a little different, since it generates your passwords using a hash of the website name, your username and a single master-passphrase that you reuse. It omits the need for you to ever need to store or sync your passwords. They have apps for all the common platforms and a CLI, but you can also self-host it.

Notable Mentions

1Password (proprietary) is a fully-featured cross-platform password manager with sync. Free for self-hosted data (or $3/ month hosted). Be aware that 1Password is not fully open source, but they do regularly publish results of their indepentand security audits, and they have a solid reputation for transparently disclosing and fixing vulnerabilities

Other Open Source PM: Passbolt, Buttercup, Firefox Loxkwise, Clipperz, Password Safe, Pass, Encryptr, Padloc, TeamPass, PSONO, UPM, Gorilla, Pass (UNIX), Seahorse (for GNOME), GNOME Keyring, KDE Wallet Manager.

If you are using a deprecated PM, you should migrate to something actively maintained. This includes: Mitro, Rattic, JPasswords, Passopolis, KYPS, Factotum.

See also Password Management Checklist

2-Factor Authentication

Provider Description
Aegis (Android) Free, secure and open source authenticator app for Android. Has a backup/ restore feature and a customisable UI with dark mode
AndOTP (Android) Another open source, secure authenticator app. AndOTP is well established with a strong user base
Tofu (iOS) An easy-to-use, open-source two-factor authentication app designed specifically for iOS

Check which websites support multi-factor authentication: twofactorauth.org

Notable Mentions

WinAuth (Windows), mattrubin - authenticator (iOS), Authenticator by World (GNOME, Linux), OTPClient (Linux), gauth (Self-Hosted, Web-based)

For KeePass users, TrayTop is a plugin for managing TOTP's- offline and compatible with Windows, Mac and Linux.

See also 2FA Security Checklist

File Encryption

Provider Description
VeraCrypt VeraCrypt is open source cross-platform disk encryption software. You can use it to either encrypt a specific file or directory, or an entire disk or partition. VeraCrypt is incredibly feature-rich, with comprehensive encryption options, yet the GUI makes it easy to use. It has a CLI version, and a portable edition. VeraCrypt is the successor of (the now deprecated) TrueCrypt.
Cryptomator Open source client-side encryption for cloud files- Cryptomator is geared towards using alongside cloud-backup solutions, and hence preserves individual file structure, so that they can be uploaded. It too is easy to use, but has fewer technical customizations for how the data is encrypted, compared with VeraCrypt. Cryptomator works on Windows, Linux and Mac- but also has excellent mobile apps.

If you need to create a compressed archive, prior to encrypting your files, then PeaZip is a great little cross-platform open source file archiver utility. It allows you to create, open, and extract RAR TAR ZIP archives.

Encrypted Messaging

Without using a secure app for instant messaging, all your conversations, meta data and more are unprotected. Signal is one of the best options- it's easy, yet also highly secure and privacy-centric.

Provider Description
Signal Probably one of the most popular, secure private messaging apps that combines strong encryption (see Signal Protocol) with a simple UI and plenty of features. It's widely used across the world, and easy-to-use, functioning similar to WhatsApp - with instant messaging, read-receipts, support for media attachments and allows for high-quality voice and video calls. It's cross-platform, open-source and totally free. Signal is recommended by Edward Snowden, and is a perfect solution for most users
Session Session is a fork of Signal, however unlike Signal it does not require a mobile number (or any other personal data) to register, instead each user is identified by a public key. It is also decentralized, with servers being run by the community though Loki Net, messages are encrypted and routed through several of these nodes. All communications are E2E encrypted, and there is no meta data.
Silence If you're restricted to only sending SMS/MMS, then Silence makes it easy to encrypt messages between 2 devices. This is important since traditional text messaging is inherently insecure. It's easy-to-use, reliable and secure- but has fallen in popularity, now that internet-based messaging is often faster and more flexible
KeyBase KeyBase allows encrypted real-time chat, group chats, and public and private file sharing. It also lets you cryptographically sign messages, and prove your ownership to other social identities (Twitter, Reddit, GitHub, etc), and send or receive Stella or BitCoin to other users. It's slightly more complex to use than Signal, but it's features extend much further than just a messaging app. Keybase core is built upon some great cryptography features, and it is an excellant choice for managing public keys, signing messages and for group chats.
OpenPGP Provides cryptographic privacy and authentication, PGP is used to encrypt messages sent over existing chat networks (such as email or message boards). Slightly harder to use (than IM apps), slower, but still widely used. Using GnuPG, encrypts messages following the OpenPGP standard, defined by the IETF, proposed in RFC 4880 (originally derived from the PGP software, created by Phil Zimmermann, now owned by Symantec). Note there have been vulnerabilities found in the OpenPGP and S/MIME, defined in EFAIL, so although it still considered secure for general purpose use, it may be better to use an encrypted messaging or email app instead- especially for sensitive communications.

Other Notable Mentions

Chat Secure and Status, are private, encrypted, open source messenger apps. They are both still in early stages, so weren’t included in the main list. Note that Tor Messengers been removed from the list, since development has halted.

Word of Warning: Proprietary Messaging Platforms

Many messaging apps claim to be secure, but if they are not open source, then this cannot be verified- and they should not be trusted. This applies to Telegram, Threema, Cypher, Wickr, Silent Phone and Viber, to name a few- these apps should not be used to communicate any sensitive data.

P2P Messaging

With Peer-to-Peer networks, there are no central server, so there is nothing that can be raided, shut-down or forced to turn over data. There are P2P networks available that are open source, E2E encrypted, routed through Tor services, totally anonymous and operate without the collection of metadata.

Provider Description
Matrix + Riot client Matrix is a decentralized open network for secure communications, with E2E encryption with Olm and Megolm. Along with the Riot client, it supports VOIP + video calling and IM + group chats. Since Matrix has an open specification and Simple pragmatic RESTful HTTP/JSON API it makes it easy to integrates with existing 3rd party IDs to authenticate and discover users, as well as to build apps on top of it.
Session + LokiNet client Loki is an open source set of tools that allow users to transact and communicate anonymously and privately, through a decentralised, encrypted, onion-based network. Session is a desktop and mobile app that uses these private routing protocols to secure messages, media and metadata.
Briar Tor-based Android app for P2P encrypted messaging and forums. Where content is stored securely on your device (not in the cloud). It also allows you to connect directly with nearby contacts, without internet access (using Bluetooth or WiFi).
Riochet Desktop instant messenger, that uses the Tor network to rendezvous with your contacts without revealing your identity, location/ IP or meta data. There are no servers to monitor, censor, or hack so Ricochet is secure, automatic and easy to use.
Jami P2P encrypted chat network with cross-platform GNU client apps. Jami supports audio and video calls, screen sharing, conference hosting and instant messaging.
Tox + qTox client Open source, encrypted, distributed chat network, with clients for desktop and mobile- see supported clients. Clearly documented code and multiple language bindings make it easy for developers to integrate with Tox.

Other Notable Mentions

Cwtch, BitMessage, Tor Messenger (deprecated), TorChat2 (deprecated)

Encrypted Email

Email is not secure- your messages can be easily intercepted and read. Corporations scan the content of your mail, to build up a profile of you, either to show you targeted ads or to sell onto third-parties. Through the Prism Program, the government also has full access to your emails (if not end-to-end encrypted) - this applies to Gmail, Outlook Mail, Yahoo Mail, GMX, ZoHo, iCloud, AOL and more.

The below email providers are private, end-to-end encrypted (E2EE) and reasonably secure. This should be used in conjunction with good email practices

Provider Description
ProtonMail An open-source, end-to-end encrypted anonymous email service. ProtonMail has a modern easy-to-use and customizable UI, as well as fast, secure native mobile apps. ProtonMail has all the features that you'd expect from a modern email service and is based on simplicity without sacrificing security. It has a free plan or a premium option for using custom domains. ProtonMail requires no personally identifiable information for signup, they have a .onion server, for access via Tor, and they accept anonymous payment: BTC and cash (as well as the normal credit card and PayPal).
Tutanota Free and open source email service based in Germany. It has a basic intuitive UI, secure native mobile apps, anonymous signup, and a .onion site. Tutonota has a full-featured free plan or a premium subscription for businesses allowing for custom domains ($12/ month).
Mailfence Mailfence supports OpenPGP so that you can manually exchange encryption keys independently from the Mailfence servers, putting you in full control. Mailfence has a simple UI, similar to that of Outlook, and it comes with bundled with calendar, address book, and files. All mail settings are highly customizable, yet still clear and easy to use. Sign up is not anonymous, since your name, and prior email address is required. There is a fully-featured free plan, or you can pay for premium, and use a custom domain ($2.50/ month, or $7.50/ month for 5 domains), where BitCoin, LiteCoin or credit card is accepted.

See OpenTechFund- Secure Email for more details.

Other Notable Mentions

HushMail, StartMail, Kolab Now, Posteo, and Disroot

Self-Hosted Email

If you do not want to trust an email provider with your messages, you can host your own mail server. Without experience, this can be notoriously hard to correctly configure, especially when it comes to security. You may also find that cost, performance and features make it a less attractive option. If you do decide to go down this route, Mail-in-a-box, is an easy to deploy, open source mail server. It aims to promote decentralization, innovation, and privacy on the web, as well as have automated, auditable, and idempotent system configuration. Other ready-to-go self-hosted mail options include Mailu and Mail Cow, both of which are docker containers.

Mail Clients

Email clients are the programs used to interact with the mail server. For hosted email, then the web and mobile clients provided by your email service are usually adequate, and may be the most secure option. For self-hosted email, you will need to install and configure mail clients for web, desktop or mobile. A benefit of using an IMAP client, is that you will always have an offline backup of all email messages (which can then be encrypted and archived), and many applications let you aggregate multiple mailboxes for convenience.

  • Desktop - Mozilla Thunderbird is an open source, long-standing and secure desktop email client by Mozilla, for Windows, macOS, and Linux. If you are using ProtonMail, then you can use the ProtonMail Bridge, to sync your emails to either Thunderbird or Microsoft Outlook. In terms of security, the disadvantage, is that most desktop clients do not support 2FA, so it is important to keep your computer secured, however they are not vulnerable to the common browser attacks, that a web client would be. See also eM Clientm which is a reputable but proprietary paid desktop client for Windows and Mac OS.
  • Web - If you are self-hosting your mail server, you will probably want a web-based email client. RainLoop and RoundCube are both good open source options.
  • Mobile - the most secure option is usually to use the app provided by your mail provider. If your mail server is self-hosted, then consider FairMail which is a fully featured, open source, privacy oriented email app for Android. There is also pretty Easy privacy p≡p, which has OpenPGP built in, and K-9 Mail, (which has been around almost as long as Android!), has a solid reputation for privacy and security features.

It is important to keep the device/ server running your mail client secure.

See also Email Security Checklist

Anonymous Mail Forwarding

Revealing your real email address online can put you at risk. Email aliasing allows messages to be sent to [anything]@my-domain.com and still land in your primary inbox. This protects your real email address from being revealed. Aliases are generated automatically, the first time they are used. This approach lets you identify which provider leaked your email address, and block an alias with 1-click.

Provider Description
Anonaddy An open source anonymous email forwarding service, allowing you to create unlimited email aliases. Has a free plan.
33Mail A long-standing aliasing service. As well as receiving, 33Mail also lets you reply to forwarded addresses anonymously. Free plan, as well as Premium plan ($1/ month) if you'd like to use a custom domain
SimpleLogin Fully open source (view on GitHub) allias service with many additional features. Can be self-hosted, or the managed version has a free plan, as well as hosted premium option ($2.99/ month) for using custom domains
ForwardEmail Simple open source catch-all email forwarding service. Easy to self-host (see on GitHub), or the hosted version has a free plan as well as a ($3/month) premium plan
ProtonMail Visionary If you already have ProtonMail's Visionary package, then an implementation of this feature is available. Very secure, however not the most price-effective (€30/month), and does not include dashboard

Alternatively you could host your own catch-all email service. Mailu can be configured to accept wildcards, or for Microsoft Exchange see exchange-catchall

Browsers

Provider Description
Brave Browser Brave Browser, currently one of the most popular private browsers- it provides speed, security, and privacy by blocking trackers with a clean, yet fully-featured UI. It also pays you in BAT tokens for using it. Brave also has Tor built-in, when you open up a private tab/ window.
FireFox Significantly more private, and offers some nifty privacy features than Chrome, Internet Explorer and Safari. After installing, there are a couple of small tweaks you will need to make, in order to secure Firefox. You can follow one of these guides by: Restore Privacy, Security Gladiators or 12Bytes
Bromite Bromite is Chromium (Chrome without Google) plus ad blocking and enhanced privacy. It provides a no-clutter browsing experience without privacy-invasive features- it's lightweight and minimal
Tor Browser Tor provides an extra layer of anonymity, by encrypting each of your requests, then routing it through several nodes, making it near-impossible for you to be tracked by your ISP/ provider. It does make every-day browsing a little slower, and some sites may not work correctly. As with everything there are trade-offs

See also: Recommended Browser Extensions

See also Browser & Search Security Checklist

Search Engines

Google frequently modifies and manipulates search, and is in pursuit of eliminating competition and promoting their own services above others. They also track, collect, use and sell detailed user search and meta data.

Provider Description
DuckDuckGo DuckDuckGo is a very user-friendly, fast and secure search engine. It's totally private, with no trackers, cookies or ads. It's also highly customisable, with dark-mode, many languages and features. They even have a .onion URL, for use with Tor and a no Javascript version
Qwant French service that aggregates Bings results, with it's own results. Quant doesn't plant any cookies, nor have any trackers or third-party advertising. It returns non-biased search results, with no promotions. Quant has a unique, but nice UI.

Another option would be to host your own- Searx is a good option for self-hosting, since it is easy to set-up, secure, private and is backed by a strong community.

See also Browser & Search Security Checklist

Browser Extensions

The following browser add-ons give you better control over what content is able to be loaded and executed while your browsing.

Provider Description
Privacy Badger Blocks invisible trackers, in order to stop advertisers and other third-parties from secretly tracking where you go and what pages you look at. Download: Chrome \ Firefox
HTTPS Everywhere Forces sites to load in HTTPS, in order to encrypt your communications with websites, making your browsing more secure. Download: Chrome \ Firefox
uBlock Origin Block ads, trackers and malware sites. Download: Chrome \ Firefox
ScriptSafe Allows you yo block the execution of certain scripts. Download: Chrome \ Firefox
WebRTC-Leak-Prevent Provides user control over WebRTC privacy settings in Chromium, in order to prevent WebRTC leaks. Download: Chrome. For Firefox users, you can do this through browser settings. Test for WebRTC leaks, with browserleaks.com/webrtc
Decentraleyes Prevents requests for common scripts hosted on 3rd-party CDNs, by serving local versions instead. Protects privacy by evading tracking imposed by large delivery networks, and will also improve page load times. Works out-of-the-box and plays nicely with regular content blockers. Download: Chrome \ Firefox \ Opera \ Pale Moon \ Source
Vanilla Cookie Manager A Whitelist Manager that helps protect your privacy, through automatically removing unwanted cookies. Download: Chrome
Privacy Essentials Simple extension by DuckDuckGo, which grades the security of each site. Download: Chrome \ Firefox
Firefox Multi-Account Containers Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously. Download: Firefox
Temporary Containers This Extension, combined with Firefox Multi-Account Containers, let's you isolate cookies and other private data for each web site. Download: Firefox
Self-Destructing Cookies Prevents websites from tracking you by storing unique cookies (note Fingerprinting is often also used for tracking). It removes all related cookies whenever you end a session. Download: Chrome \ Firefox \ Opera \ Source
Lightbeam Visualize in detail the servers you are contacting when you are surfing on the Internet. Created by Gary Kovacs (former CEO of Mozilla), presented in his TED Talk. Download: Firefox \ Source
Track Me Not Helps protect web searchers from surveillance and data-profiling, through creating meaningless noise and obfuscation, outlined in their whitepaper. Download: Chrome \ Firefox \ Source
AmIUnique Timeline Enables you to better understand the evolution of browser fingerprints (which is what websites use to uniquely identify and track you). Download: Chrome \ Firefox

Word of Warning

Be careful when installing unfamiliar browser add-ons, since some can compromise your security and privacy. The above list however are all open source, verified and safe extensions

See also Browser & Search Security Checklist

Mobile Apps

Provider Description
Orbot System-wide Tor proxy, which encrypts your connection through multiple nodes. You can also use it alongside Tor Browser to access .onion sites.
NetGaurd A firewall app for Android, which does not require root. NetGuard provides simple and advanced ways to block access to the internet, where applications and addresses can individually be allowed or denied access to your Wi-Fi and/or mobile connection.
Island A sandbox environment, allowing you to clone selected apps and run them in an isolated box, preventing it from accessing your personal data, or device information
Exodus Shows which trackers, each of your installed apps is using, so that you can better understand how your data is being collected. Uses data from the Exodus database of scanned APKs.
Bouncer Gives you the ability to grant permissions temporarily, so that you could for example use the camera to take a profile picture, but when you close the given app, those permissions will be revoked
Haven Allows you to protect yourself, your personal space and your possessions- without compromising on security. Leveraging device sensors to monitor nearby space, Haven was developed by The Guardian Project, in partnership with Edward Snowden
XUMI Security Checks for, and resolves known security vulnerabilities. Useful to ensure that certain apps, or device settings are not putting your security or privacy at risk
SuperFreezZ Makes it possible to entirely freeze all background activities on a per-app basis. Intended purpose is to speed up your phone, and prolong battery life, but this app is also a great utility to stop certain apps from collecting data and tracking your actions while running in the background
Daedalus No root required Android DNS modifier and hosts/DNSMasq resolver, works by creating a VPN tunnel to modify the DNS settings. Useful if you want to change your resolver to a more secure/ private provider, or use DNS over HTTPS
Secure Task Triggers actions, when certain security conditions are met, such as multiple failed login attempts or monitor settings changed. It does require Tasker, and needs to be set up with ADB, device does not need to be rooted
Cryptomator Encrypts files and folders client-side, before uploading them to cloud storage (such as Google Drive, One Drive or Dropbox), meaning none of your personal documents leave your device in plain text
1.1.1.1 Lets you use CloudFlares fast and secure 1.1.1.1 DNS, with DNS over HTTPS, and also has the option to enable CloudFlares WARP+ VPN
Fing App A network scanner to help you monitor and secure your WiFi network. The app is totally free, but to use the advanced controls, you will need a Fing Box
FlutterHole Easy monitoring and controll over your Pi Hole instance. Pi Hole is great for security, privacy and speed
DPI Tunnel An application for Android that uses various techniques to bypass DPI (Deep Packet Inspection) systems, which are used to block some sites (not available on Play store)
Blokada This application blocks ads and trackers, doesn't require root and works for all the apps on your Android phone. Check out how it works here.

Other Notable Mentions

For more open source security & privacy apps, check out The Guardian Project, The Tor Project, Oasis Feng, Marcel Bokhorst and Simple Mobile Tools- all of which are trusted developers or organisations, who've done amazing work.

For offensive and defensive security, see The Kali Nethunter Catalogue of apps

For advanced users, the following tools can be used to closely monitor your devise and networks, in order to detect any unusual activity. PortDroid for network analysis, Packet Capture to monitor network traffic, SysLog for viewing system logs, Dexplorer to read .dex or .apk files for your installed apps, and Check and Test to check status and details of devices hardware.

See also Mobile Security Checklist

Online Tools

A selection of free online tools and utilities, to check, test and protect

Provider Description
';--have i been pwned? Checks if your credentials (Email address or Password) have been compromised in a data breach
εxodus Checks how many, and which trackers any Android app has. Useful to understand how data is being collected before you install a certain APK, it also shows which permissions the app asks for
Am I Unique? Show how identifiable you are on the Internet by generating a fingerprint based on device information. This is how many websites track you (even without cookies enabled), so the aim is to not be unique
Panopticlick Check if your browser safe against tracking. Analyzes how well your browser and add-ons protect you against online tracking techniques, and if your system is uniquely configured—and thus identifiable
Browser Leak Test Shows which of personal identity data is being leaked through your browser, so you can better protect yourself against fingerprinting
IP Leak Test Shows your IP address, and other associated details (location, ISP, WebRTC check, DNS, and lots more)
EXIF Remove Displays, and removes Meta and EXIF data from an uploaded photo or document
Redirect Detective Check where a suspicious URL redirects to (without having to click it). Lets you avoid being tracked by not being redirected via adware/tracking sites, or see if a shortened link actually resolves a legitimate site, or see if link is an affiliate ad
Blocked.org Checks if a given website is blocked by filters applied by your mobile and broadband Internet Service Providers (ISP)
Virus Total Analyses a potentially-suspicious web resources (by URL, IP, domain or file hash) to detect types of malware (note: files are scanned publicly)
Is Legit? Checks if a website or business is a scam, before buying something from it
Deseat Me Tool to help you clean up your online presence- Instantly get a list of all your accounts, delete the ones you are not using
Should I Remove It? Ever been uninstalling programs from your Windows PC and been unsure of what something is? Should I Remove It is a database of Windows software, detailing weather it is essential, harmless or dangerous
10 Minute Mail Generates temporary disposable email address, to avoid giving your real details
MXToolBox Mail Headers Tool for analyzing email headers, useful for checking the authenticity of messages, as well as knowing what info you are revealing in your outbound messages
SimpleLogin Automatically generates new email aliases, the first time you use them, to avoid revealing your real email address. Unlike 10 Minute Mail, these email addresses are permanent, and get forwarded to your real email inbox. Other options include 33Mail, Anonaddy and ForwardEmail (self-hosted)

Word of Warning

Browsers are inherently insecure, be careful when uploading, or entering personal details.

Virtual Private Networks

VPNs are good for getting round censorship, increasing protection on public WiFi, obscuring your IP address, and reducing what data your ISP can log. But for the best anonymity, you should use Tor. VPNs do not mean you are magically protected, or anonymous (see below).

Provider Description
Mullvad Mullvad is one of the best for privacy, they have a totally anonymous sign up process, you don't need to provide any details at all, you can choose to pay anonymously too (with Monero, BTC or cash)
ProtonVPN From the creators of ProtonMail, ProtonVPN has a solid reputation. They have a full suit of user-friendly native mobile and desktop apps. ProtonVPN is one of the few "trustworthy" providers that also offer a free plan

Other VPN Options

AirVPN has advanced features and is highly customizable, WindScribe also has a ton of features as well as anonymous sign up, yet is very easy to use for all audiences with excellent cross-platform apps. See also: Perfect Privacy -- TorGuard -- IVPN -- PureVPN -- NordVPN -- SwitchVPN -- Safer VPN -- VirtualShield -- Private Internet Access -- VPN.ac -- VyperVPN

Full VPN Comparison: thatoneprivacysite.net.

Word of Warning

  • A VPN does not make you anonymous- it merely changes your public IP address to that of your VPN provider, instead of your ISP. Your browsing session can still be linked back to your real identity either through your system details (such as user agent, screen resolution even typing patterns), cookies/ session storage, or by the identifiable data that you enter. Read more about fingerprinting
  • Logging- If you choose to use a VPN because you do not agree with your ISP logging your full browsing history, then it is important to keep in mind that your VPN provider can see (and mess with) all your traffic. Many VPNs claim not to keep logs, but you cannot be certain of this (VPN leaks). See this article for more
  • Many reviews are sponsored, and hence biased. Do your own research, or go with one of the above options
  • Tor is the best option for private browsing

Considerations

While choosing a VPN, consider the following: Logging policy (logs are bad), Jurisdiction (avoid 5-eyes), Number of servers, availability and average load. Payment method (anonymous methods such as BTC, Monero or cash are better), Leak protection (1st-party DNS servers = good, and check if IPv6 is supported), protocols (OpenVPN and WireGuard = good). Finally, usability of their apps, user reviews and download speeds.

Self-Hosted VPN

If you don't trust a VPN provider not to keep logs, then you could self-host your own VPN. This gives you you total control, but at the cost of anonymity (since your cloud provider, will require your billing info). See Streisand, to learn more, and get started with running a VPN. Digital Ocean provides flexible, secure and easy Linux VMs, (from $0.007/hour or $5/month), this guide explains how to set up VPN on: CentOS 7 or Ubuntu 18.4+. See more about configuring OpenVPN or IKEv2. Alternatively, here is a 1-click install scriptfor on Digital Ocean, by Carl Friess.

Self-Hosted Network Security

Fun little projects that you can run on a Raspberry Pi, or other low-powered computer. In order to help detect and prevent threats, monitor network and filter content

Provider Description
Pi-Hole Network-level advertisement and Internet tracker blocking application which acts as a DNS sinkhole. Pi-Hole can significantly speed up your internet, remove ads and block malware. It comes with a nice web interface and a mobile app with monitoring features, it's open source, easy to install and very widely used
IPFire A hardened, versatile, state-of-the-art open source firewall based on Linux. Its ease of use, high performance and extensibility make it usable for everyone
PiVPN A simple way to set up a home VPN on a any Debian server. Supports OpenVPN and WireGuard with elliptic curve encryption keys up to 512 bit. Supports multiple DNS providers and custom DNS providers- works nicely along-side PiHole
E2guardian Powerful open source web content filter
SquidGuard A URL redirector software, which can be used for content control of websites users can access. It is written as a plug-in for Squid and uses blacklists to define sites for which access is redirected
PF Sense Widley used, open source firewall/router
Zeek Detect if you have a malware-infected computer on your network, and powerful network analysis framework and monitor

Don't want to build? See also: Pre-configured security boxes

Mix Networks

Mix networks are routing protocols, that create hard-to-trace communications, by encrypting and routing traffic through a series of nodes. They help keep you anonymous online, and unlike VPNs -there are no logs

Provider Description
Tor Tor provides robust anonymity, allowing you to defend against surveillance, circumvent censorship and reduce tracking. It blocks trackers, resists fingerprinting and implements multi-layered encryption by default, meaning you can browse freely. Tor also allows access to OnionLand: hidden services
I2P I2P offers great generic transports, it is well geared towards accessing hidden services, and has a couple of technical benefits over Tor: P2P friendly with unidirectional short-lived tunnels, it is packet-switched (instead of circuit-switched) with TCP and UDP, and continuously profiles peers, in order to select the best performing ones.
I2P is less mature, but fully-distributed and self-organising, it's smaller size means that it hasn't yet been blocked or DOSed much
Freenet Freenet is easy to setup, provides excellent friend To Friend Sharing vs I2P, and is great for publishing content anonymously. It's quite large in size, and very slow so not the best choice for casual browsing

Tor, I2P and Freenet are all anonymity networks- but they work very differently and each is good for specific purposes. So a good and viable solution would be to use all of them, for different tasks. You can read more about how I2P compares to Tor, here

Notable Mentions

Panoramix is a European project, aiming to use mix-networks to provide anonymity. Nym uses Blockchain to reward node operators in order to keep the network sustainable.

Word of Warning

To provide low-latency browsing, Tor does not mix packets or generate cover traffic. If an adversary is powerful enough, theoretically he could either observe the entire network, or just the victims entry and exit nodes. It's worth mentioning, that even though your ISP can not see what you are doing, they will be able determine that you are using a mix net, to hide this- a VPN could be used. If you are doing anything which could put you at risk, then good OpSec is essential, as the authorities have traced criminals through the Tor network before, and made arrests. Don't let Tor provide a possible false sense of security- be aware of information leaks through DNS or other programs, and Tor-supported browsers may might lag behind their upstream forks, allowing for unpatched issues. See #19

Note: The Tor network is run by the community. If you benefit from using it and would like to help sustain uncensored internet access for all, consider running a Tor relay.

Proxies

A proxy acts as a gateway between you and the internet, it can be used to act as a firewall or web filter, improves privacy and can also be used to provide shared network connections and cache data to speed up common requests. Never use a free proxy.

Provider Description
ShadowSocks Secure socks5 proxy, designed to protect your Internet traffic. Open source, superfast, cross-platform and easy to deploy, see GitHub repo
Privoxy Non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk

Notable Mentions

V2ray-core is a platform for building proxies to bypass network restrictions and protect your privacy. See more

Word of Warning

Malicious Proxies are all too common. Always use open source software, host it yourself or pay for a reputable cloud service. Never use a free proxy; it can monitor your connection, steal cookies and contain malware. VPNs are a better option, better still- use the Tor network.

DNS

Without using a secure, privacy-centric DNS all your web requests can be seen in the clear. You should configure your DNS queries to be managed by a service that respects privacy and supports DNS-over-TLS, DNS-over-HTTPS or DNSCrypt.

Provider Description
CloudFlare One of the most performant options, Cloudflare's DNS supports DoH and DoT, and has a Tor implementation, providing world-class protection. They have native cross-platform apps, for easy set-up.
AdGuard Open-source DNS provider, specialising in the blocking of ads, trackers and malicious domains. They have been independently audited and do not keep logs
SecureDNS An open source DNS provider, with built-in ad block and additional privacy features. Supports DoH, DoT and DNSCrypt. It is not as performant as some of the bigger players, but still a good option in terms of security
NextDNS An ad-blocking, privacy-protecting, censorship-bypassing DNS. Also comes with analytics, and the ability to shield kids from adult content

See also this Full List of Public DoH Servers, you can then check the performance of your chosen server with DNSPerf. To read more about choosing secure DNS servers, see this article, and this article.

DNS Protocols

DNS-over-TLS was proposed in RTC-7858 by the IETF, then 2 years later, the DNS-over-HTTPS specification was outlined in RFC8484 in October '18. DNSCrypt, is a protocol that authenticates communications between a DNS client and a DNS resolver. It prevents DNS spoofing, through using cryptographic signatures to verify that responses originate from the chosen DNS resolver, and haven’t been tampered with. DNSCrypt is a well battle-tested protocol, that has been in use since 2013, and is still widely used.

Notable Mentions

  • Quad9 is a well-funded, performant DNS with a strong focus on privacy and security and easy set-up, however questions have been raised about the motivation of some of the financial backers.
  • BlahDNS (Japan, Finland or Germany) is an excellent security-focused DNS
  • OpenNIC, NixNet DNS and UncensoredDNS are open source and democratic, privacy-focused DNS
  • Clean Browsing, is a good option for protecting kids, they offer comprehensive DNS-based Content Filtering

Word of Warning

Using an encrypted DNS resolver will not make you anonymous, it just makes it harder for third-partied to discover your domain history. If you are using a VPN, take a DNS leak test, to ensure that some requests are not being exposed.

Firewalls

A firewall is a program which monitors the incoming and outgoing traffic on your network, and blocks requests based on rules set during its configuration. Properly configured, a firewall can help protect against attempts to remotely access your computer, as well as control which applications can access which IPs.

Provider Description
NetGuard
(Android)		 Provides simple and advanced ways to block access to the internet. Applications and addresses can individually be allowed or denied access to Wi-Fi and/or mobile connection
NoRoot Firewall
(Android)		 Notifies you when an app is trying to access the Internet, so all you need to do is just Allow or Deny. Allows you to create filter rules based on IP address, host name or domain name, and you can allow or deny only specific connections of an app
Lockdown
(iOS)		 Firewall app for iPhone, allowing you to block any connection to any domain
SimpleWall
(Windows)		 Tool to control Windows Filtering Platform (WFP), in order to configure detailed network activity on your PC
OpenSnitch
(Linux)		 Makes internet connections from all apps visible, allowing you to block or manage traffic on a per-app basis. GNU/Linux port of the Little Snitch application firewall
LuLu
(Mac OS)		 Free, open source macOS firewall. It aims to block unknown outgoing connections, unless explicitly approved by the user
Little Snitch
(Mac OS)		 A very polished application firewall, allowing you to easily manage internet connections on a per-app basis
IPFire
(hardware)		 IPFire is a hardened, versatile, state-of-the-art Open Source firewall based on Linux. Easy to install on a raspberry Pi, since it is lightweight and heavily customizable
Shorewall
(hardware)		 An open source firewall tool for Linux that builds upon the Netfilter system built into the Linux kernel, making it easier to manage more complex configuration schemes with iptables
OpenSense
(hardware)		 Enterprise firewall and router for protecting networks, built on the FreeBSD system

Word of Warning

There are different types of firewalls, that are used in different circumstances. This does not omit the need to configure your operating systems defences. Follow these instructions to enable your firewall in Windows, Mac OS, Ubuntu and other Linux ditros. Even when properly configured, having a firewall enabled does not guarantee bad network traffic can not get through and especially during boot if you don't have root privileges.

Network Analysis

Weather you live in a country behind a firewall, or accessing the internet through a proxy- these tools will help you better understand the extent of blocking, deep packet inspection and what data is being analysed

Provider Description
OONI Open Observatory of Network Interference- A free tool and global observation network, for detecting censorship, surveillance and traffic manipulation on the internet. Developed by The Tor Project, and available for Android, iOS and Linux
Mongol A Python script, to pinpoint the IP address of machines working for the The Great Firewall of China. See also gfwlist which is the Chinese ban list, and gfw_whitelist. For a list of Russian government IP addresses, see antizapret
Goodbye DPI Passive Deep Packet Inspection blocker and Active DPI circumvention utility, for Windows
DPITunnel An Android app to bypass deep packet inspection
Proxy Checker You can quickly check if a given IP is using a proxy, this can also be done through the command line

Cloud Hosting

Weather you are hosting a website and want to keep your users data safe, or if you are hosting your own file backup, cloud productivity suit or VPN- then choosing a provider that respects your privacy and allows you to sign up anonymously, and will keep your files and data safe is be important.

Provider Description
Njalla Njalla is a privacy and security-focused domain registrar and VPN hosting provider. They own and manage all their own servers, which are based in Sweden. They accept crypto, for anonymous payments, and allow you to sign up with OTR XMPP if you do not want to provide an email address. Both VPS and domain name pricing is reasonable, with packages starting at $15/ month
Vindo Provides anonymous shared hosting, semi-managed virtual private servers and domain registration
Private Layer Offers enterprise-grade, high-speed offshore dedicated servers, they own their own data centres, have a solid privacy policy and accept anonymous payment

Notable Mentions

See also: 1984 based in Iceland. Shinjiru, which offers off-shore dedicated servers. Orange Website specialises in protecting online privacy and free speech, hosted in Iceland. RackBone (previously DataCell) provides secure and ethical hosting, based in Switzerland. And Bahnhof offers high-security and ethical hosting, with their data centres locates in Sweden. Finally Simafri has a range of packages, that support Tor out of the box

Word of Warning

The country that your data is hosted in, will be subject to local laws and regulations. It is therefore important to avoid a jurisdiction that is part of the 5 eyes (Australia, Canada, New Zealand, US and UK) and other international cooperatives who have legal right to view your data.

Domain Registrars

Provider Description
Njal.la Privacy-aware domain service with anonymous sign-up and accepts crypto currency
Orange Website Anonymous domain registration, with low online censorship since they are based outside the 14-eyes jurisdiction (in Iceland)

Digital Notes

Provider Description
Cryptee Private & encrypted rich-text documents. Cryptee has encryption and anonymity at it's core, it also has a beautiful and minimalistic UI. You can use Cryptee from the browser, or download native Windows, Mac OS, Linux, Android and iOS apps. Comes with many additional features, such as support for photo albums and file storage. The disadvantage is that only the frontend is open source. Pricing is free for starter plan, $3/ month for 10GB, additional plans go up-to 2TB
Standard Notes S.Notes is a free, open-source, and completely encrypted private notes app. It has a simple UI, yet packs in a lot of features, thanks to the Extensions Store, allowing for: To-Do lists, Spreadsheets, Rich Text, Markdown, Math Editor, Code Editor and many more. You can choose between a number of themes (yay, dark mode!), and it features built-in secure file store, tags/ folders, fast search and more. There is a web app as well as native Windows, Mac OS, Linux, Android and iOS apps. Standard Notes is actively developed, and fully open-source, so you can host it yourself, or use their hosted version: free without using plug-ins or $3/ month for access to all features
Turtle A secure, collaborative notebook. Self-host it yourself (see repo), or use their hosted plan (free edition or $3/ month for premium)
Joplin Cross-platform desktop and mobile note-taking and todo app. Easy organisation into notebooks and sections, revision history and a simple UI. Allows for easy import and export of notes to or from other services. Supports syncronisation with cloud services, implemented with E2EE- however it is only the backed up data that is encrypted
Notable Markdown-based note editior for desktop, with a simple, yet feature-rich UI. All notes are saved individually as .md files, making them easy to manage. No mobile app, or built-in cloud-sync or encryption

Notable Mentions

If you are already tied into Evernote, One Note etc, then SafeRoom is a utility that encrypts your entire notebook, before it is uploaded to the cloud. Org Mode is a very comprehensive CLI tool for keeping notes, maintaining todo lists, planning projects, and authoring documents -based on a fast and effective plain-text system, from the command line. For a simple plain text note taking app, with strong encryption, see Protected Text, which works well with the Safe Notes Android app

Cloud Productivity Suits

Provider Description
CryptPad A zero knowledge cloud productivity suit. Provides Rich Text, Presentations, Spreadsheets, Kanban, Paint a code editor and file drive. All notes and user content, are encrypted by default, and can only be accessed with specific URL. The main disadvantage, is a lack of Android, iOS and desktop apps- CryptPad is entirely web-based. You can use their web service, or you can host your own instance (see CryptPad GitHub repo). Price for hosted: free for 50mb or $5/ month for premium
NextCloud A complete self-hosted productivity platform, with a strong community and growing app store. NextCloud is similar to (but arguably more complete than) Google Drive, Office 365 and Dropbox, origionally it was a fork from OwnCloud, but since have diverged. Clear UI and stable native apps across all platforms, and also supports file sync. Supports encrypted files, but you need to configure this yourself. Fully open source, so you can self-host it yourself (or use a hosted solution, starting from $5/ month)
Disroot A platform providing online services based on principles of freedom, privacy, federation and decentralization. It is an implementation of NextCloud, with strong encryption configured- it is widely used by journalists, activists and whistle-blowers. It is fre to use, but there have been reported reliability issues of the cloud services
Sandstorm An open source platform for self-hosting web apps. Once you've set it up, you can install items from the Sandstorm App Market with -click, similar to NextCloud in terms of flexibility

Backup and Sync

Provider Description
SeaFile An open source cloud storage and sync solution. Files are grouped into Libraries, which can be individually encrypted, shared of synced. Docker image available for easy deployment, and native clients for Windows, Mac, Linux, Android and iOS
Syncthing Continuous file synchronization between 2 or more clients. It is simple, yet powerful, and fully-encrypted and private. Syncthing can be deployed with Docker, and there are native clients for Windows, Mac, Linux, BSD and Android
NextCloud Feature-rich productivity platform, that can be used to backup and selectively sync encrypted files and folders between 1 or more clients. See setting up sync. A key benifit the wide range of plug-ins in the NextCloud App Store, maintained by the community. NextCloud was a hard fork off OwnCloud.

Notable Mentions

Alternatively, consider a headless utility such as Duplicacy or Duplicity. Both of offer an encrypted and efficient sync between 2 or more locations, using the rsync algorithm.

SpiderOak, Tresorit and Resilio are good enterprise solutions, all with solid encryption baked-in

FileRun and Pydio are self-hosted file explorers, with cross-platform sync capabilities.

Word of Warning

You should always ensure that any data stored in the cloud is encrypted. If you are hosting your own server, then take the necessary precautions to secure the server. For hosted solutions- use a strong password, keep your credentials safe and enable 2FA.

File Drop

Provider Description
Firefox Send Simple, private file sharing. Files are encrypted, client-side, stored on Mozilla servers, can be password-protected, and are deleted either after a specified time frame or specific number of downloads. Can also be self-hosted, repo
FilePizza Peer-to-peer based file transfer from the browser, using Web Torrent. It's quick and easy to use, and doesn't require any software to be installed. Can also be self-hosted: repo
FileSend Simple, encrypted file sharing, with a 500mb limit and 5-day retention. Files are secured with client-side AES-256 encryption and no IP address or device info is logged. Files are permanently deleted after download or after specified duration. Developed by StandardNotes, and has built-in integration with the SN app.
OnionShare An open source tool that lets you securely and anonymously share a file of any size, via Tor servers. OnionShare does require installing (compatible with Windows, Mac OS and Linux), but the benefit is that your files are transferred directly to the recipient, without needing to be hosted on an interim server. The host needs to remain connected for the duration of the transfer, but once it is complete, the process will be terminated. Source code: repo

Notable Suggestions

Instant.io, is another peer-to-peer based solution, using Web Torrent. For specifically transferring images, Up1 is a good self-hosted option, with client-side encryption. Finally PsiTransfer is a feature-rich, self-hosted file drop, using streams.

Personal Finance

Provider Description
Firefly III (Self-hosted) A free and open source personal finance manager. Firefly III has all essential features, a clean and clear UI and is easy to set up and use (see live demo). It's backed by a strong community, and is regularly updated with new features, improvements and fixes. There is also a hass.io addon, and it works nicely with Home Assistant. Note: Since it is self-hosted, you will need to ensure that your server (either local or remote) is correctly configured for security.
EasyBudget (Android) Clean and easy-to-use app open source budgeting app. It doesn't have all the features that alternatives offer, but it does simple budget management and planning very effectivley
HomeBank (Desktop) Desktop personal financial management option. Great for generating charts, dynamic reports and visualising transactions. HomeBank makes it easy to import financial data from other software (Quick Books, Microsoft Money etc) and bank accounts (in OFX/QFX, QIF, CSV format), and has all the essential features you'd expect. Available on Linux and Windows (and a 3rd-party port for Mac OS)
GnuCash (Desktop) Full-featured cross-platform accounting application, which works well for both personal and small business finance. First released in 1998, GnuCash is long standing and very stable, and despite a slightly dated UI, it's still a very popular option. Originally developed for Linux, GnuCash is now available for Windows, Mac and Linux and also has a well rated official Android app

Notable Mentions

Spreadsheets remain a popular choice for managing budgets and financial planning. Collabora or OnlyOffice (on NextCloud), Libre Office and EtherCalc are popular open source spread sheet applications. Mintable allows you to auto-populate your spreadsheets from your financial data, using publicly accessible APIs- mitigating the requirement for a dedicated budgeting application.

Other notable open source budgeting applications include: Smart Wallet (iOS), My-Budget (Desktop), MoneyManager EX, Skrooge, kMyMoney

See Also: Payment Methods

See Also: Personal Finance Security Tips

Social Networks

Over the past decade, social networks have revolutionized the way we communicate and bought the world closer together- but it came at the cost of our privacy. Social networks are built on the principle of sharing- but you, the user should be able to choose with whom you share what, and that is what the following sites aim to do.

Provider Description
Aether Self-governing communities with auditable moderation- a similar concept to Reddit, but more privacy-sensitive, democratic and transparent. Aether is open source and peer-to-peer, it runs on Windows, Mac and Linux
Discourse A 100% open source and self-hostable discussion platform you can use as a mailing list, discussion forum or long-form chat room.
Mastodon A shameless Twitter clone, but open-source, distributed across independent servers, and with no algorithms that mess with users timelines
Minds A social media site, which aims to bring people together and support open conversations. Get paid for creating content
Vero (closed-source) A mobile-based social network, whose USP is that they have "No Ads. No Data Mining. No Algorithms." Since Vero is not open source, it is not possible to verify the validity of these claims

Other Notable Mentions

  • diaspora*, Pleroma and Friendica - distributed, decentralized social networks, built on open protocols
  • Tildes, Lemmy and notabug.io - bulletin boards and news aggregators (similar to Reddit)
  • Pixelfed - A free, ethical, federated photo sharing platform (FOSS alternative to Instagram)

Main-stream networks

The content on many of these smaller sites tends to be more niche. To continue using Twitter, there are a couple of tweaks, that will improve security. For Reddit, use a privacy-respecting client- such as Reditr. Other main-stream social networking sites do not respect your privacy, so should be avoided, but if you choose to keep using them see this guide for tips on protecting your privacy

Video Platforms

Provider Description
PeerTube Free and open-source federated video platform that uses peer-to-peer technology to reduce load on individual servers when viewing videos. You can self-host, or find an instance, and then watch videos from any PeerTube server
DTube A decentralized and ad-free video platform with little to no moderation that uses cryptocurrency and blockchain technology to pay its users.
BitTube A peer-to-peer, decentralized, censorship-free, ad-free video sharing and live streaming platform based on IPFS and blockchain technology
BitChute A video hosting platform, that was founded in 2017 to allow uploaders to avoid content rules enforced on other platforms, such as YouTube

Word of Warning

Without moderation, some of these platforms accommodate video creators, who content may not be appropriate for all audiences

YouTube Proxies

The content on many of the smaller video sites, often just doesn't compare to YouTube. So another alternative, is to access YouTube through a proxy client, which reduces what Google can track).

Blogging Platforms

Provider Description
Write Freely Free and open source software with a clean UI, for creating a minimalist, federated blog. For premium or enterprise hosted plans, see Write.as, or to host your own, check out the repo on GitHub
Telegraph Created by Telegram, Telegraph is fast, anonymous and simple

Notable Mentions

If you use Standard Notes, then Listed.to is a public blogging platform with strong privacy features. It lets you publish posts directly through the Standard Notes app or web interface. Other minimalistic platforms include Notepin.co and Pen.io.

Want to write a simple text post and promote it yourself? Check out telegra.ph, txt.fyi and NotePin. For seriously anonymous platforms, aimed at activists, see noblogs and autistici. It is also possible to host a normal WordPress site, without it being linked to your real identity, although WP does not have the best reputation when it comes to privacy.

Of course you could also host your blog on your own server, using a standard open source blog platform, such as Ghost and configure it to disable all trackers, ads and analytics.

News Readers and Aggregation

Provider Description
Tiny RSS A free and open source web-based news feed (RSS/Atom) reader and aggregator
RSSOwl A desktop-based RSS reader, with powerful organisation features
Feedly A more premium option. Feedly displays news from your selected sources in an easy-to-digest clean and modern interface. It works with more than just RSS feeds, since it is well integrated with many major news outlets. It does not manipulate the stories you see, and is mostly open source

Notable Mentions

For iPhone users in the US, Tonic is a great little app that provides you with a selection of personalized new stories and articles daily. It is possible to us Reddit anonymously too- you can use throwaway accounts for posting.

Word of Warning

News reader apps don't have a good reputation when it comes to protecting users privacy, and often display biased content. Many have revenue models based on making recommendations, with the aim of trying to get you to click on sponsored articles- and for that a lot of data needs to have been collected about you, your habits, interests and routines.

Payment Methods

Paying for goods and services is a good example of where privacy and security conflict; the most secure option would be to pay with credit card, since most providers include fraud protection, whereas the most private option would be to pay using crypto currency or cash, since neither can be easily tied back to your identity.

Provider Description
Monero One of the most private cryptocurrencies, since no meta data is available (not even the transaction amount). It uses complex on-chain cryptographic methods such as Ring signatures, RingCT, Kovri, and Stealth addresses all of which help protect the privacy of users
ZCash Uses zero-knowledge proofs to protect privacy cryptographic technique, that allows two users to transact without ever revealing their true identity or address. The Zcash blockchain doesn't record any send or receive addresses

Notable Mentions

Actual physical cash is still the most private option, with no chance of leaving any transactional records. Other privacy-focused cryptocurrencies include: PIVX, Bitcoin Private and Verge.

Word of Warning

Not all cryptocurrencies are anonymous, and without using a privacy-focused coin, a record of your transaction will live on a publicly available distributed ledger, forever. If you send of receive multiple payments, ensure you switch up addresses or use a mixer, to make it harder for anyone trying to trace your transactions. Store private keys somewhere safe, but offline and preferably cold.

Note: Cryptocurrency prices can go down. Storing any wealth in crypto may result in losses. If you are new to digital currencies- do your research first, don't invest more than you can afford, and be very weary of scams and cryptocurrency-related malware.

Virtual Card Payments

When paying for goods or services on websites that only accept card payments, consider using a virtual card number, to avoid sharing real payment details with a potentially unsafe vendor. Privacy.com offer disposable virtual pre-paid cards and also allow for setting spend-limits and generating single-use cards. Other options (with monthly fee) include Revolut METAL and MySudo

Anti-Virus and Malware Prevention

Provider Description
CalmAV An open source cross-platform antivirus engine for detecting viruses, malware & other malicious threats. It is versatile, performant and very effective
Windows Spy Blocker Capture and interprets network traffic based on a set of rules, and depending on the interactions certain assignments are blocked. Open source, written in Go and delivered as a single executable
Cylance Takes more of an application whitelisting approach, where it generates the list of trusted software through machine learning. So instead of identifying bad software to block, it identifies good software instead, and blocks the rest by default

Notable Mentions

Your operating system's built-in protection is probably adequate for detecting 99% of threats. Installing additional software can introduce more vulnerabilities, so downloading AV may actually increase your attack surface.

Windows, by default is not very private. There are several packages that can be used to quickly tweak privacy settings. Such as Simple Wall, priv10, Fix-Windows-Privacy and W10 Privacy (see Video Tutorial). Use at your own risk, disabling some OS features can cause unintended consequences. See also, this Windows 10 Privacy Guide for manual steps.

For 1-off malware scans, MalwareBytes is very effective- thorough in identifying threats, with minimum data collection. However it is not open source.

Word of Warning

Many anti virus products have a history of introducing vulnerabilities themselves, and several of them seriously degrade the performance of your computer, as well as decrease your privacy. Never use a free anti-virus, and never trust the companies that offer free solutions, even if you pay for the premium package. This includes (but not limited to) Avast, AVG, McAfee and Kasperky. For AV to be effective, it needs intermate access to all areas of your PC, so it is important to go with a trusted vendor, and monitor it's activity closley. Read more about why you shouldn't use Anti-Spy Tools, on Windows.

Mobile Operating Systems

If you are an Android user, your device has Google built-in at it's core. Google tracks you, collecting a wealth of information, and logging your every move. A custom ROM, is an open source, usually Google-free mobile OS that can be flashed to your device.

Provider Description
LineageOS A free and open-source operating system for various devices, based on the Android mobile platform- Lineage is light-weight, well maintained, supports a wide range of devices, and comes bundled with Privacy Guard
GrapheneOS GrapheneOS is an open source privacy and security focused mobile OS with Android app compatibility. Developed by the team behind CoperheadOS. Graphene is a young project, and currently only supports Pixel devices, partially due to their strong hardware security

Other Notable Mentions

Replicant OS is a fully-featured distro, with an emphasis on freedom, privacy and security. MmniRom, Recursion Remix, and Paranoid Android are also popular options. Alternativley, Ubuntu Touch is a Linux (Ubuntu)- based OS. It is secure by design and runs on almost any device, - but it does fall short when it comes to the app store.

To install apps on the Play Store without using the Play Store app see Aurora Store. For Google Play Service see MicroG

Word of Warning

It is not recommended to root, or flash your device with a custom ROM if you are not an advanced user. There are risks involved

  • Although the above ROMs omit Google, they do open up other security issues: Without DM-verity on the system partition, the file system could be tampered with, and no verified boot stack, the kernel/initramfs also could be edited. You should understand the risks, before proceeding to flash a custom ROM to your device
  • You will need to rely on updates from the community, which could be slower to be released- this may be an issue for a time-urgent, security-critical patch
  • It is also possible to brick your device, through interrupted install or bad software
  • Finally, rooting and flashing your device, will void your warranty

PC Operating Systems

Windows 10 has many features that violate your privacy. Microsoft and Apple are able to collect all your data (including, but not limited to: keystrokes, searches and mic input, calendar data, music, photos, credit card information and purchases, identity, passwords, contacts, conversations and location data). Microsoft Windows is also more susceptible to malware and viruses, than alternative systems.

Provider Description
Qubes OS (containerized apps) Open-source security-oriented operating system for single-user desktop computing. It uses virtualisation, to run each application in it's own compartment to avoid data being leaked. It features Split GPG, U2F Proxy, and Whonix integration. Qubes makes is easy to create disposable VMs which are spawned quickly and destroyed when closed. Qubes is recommended by Edward Snowden
Whonix (VM) Whonix is an anonymous operating system, which can run in a VM, inside your current OS. It is the best way to use Tor, and provides very strong protection for your IP address. It comes bundled with other features too: Keystroke Anonymization, Time Attack Defences, Stream Isolation, Kernel Self Protection Settings and an Advanced Firewall. Open source, well audited, and with a strong community- Whonix is based on Debian, KickSecure and Tor
Tails (live) Tails is a live operating system (so you boot into it from a USB, instead of installing). It preserves your privacy and anonymity through having no persistent memory/ leaving no trace on the computer. Tails has Tor built-in system-wide, and uses state-of-the-art cryptographic tools to encrypt your files, emails and instant messaging. Open source, and built on top of Debian
Parrot (security) Parrot Linux, is a full Debian-based operating system, that is geared towards security, privacy and development. It is fully-featured yet light-weight, very open. There are 3 edditions: General Purpose, Security and Forensic. The Secure distribution includes its own sandbox system obtained with the combination of Firejail and AppArmor with custom security profiles. While the Forensics Edition is bundled with a comprehensive suit of security/ pen-testing tools, similar to Kali and Black Arch
Discreete Linux (offline) Aimed at journalists, activists and whistle-blowers, Discreete Linux is similar to Tails, in that it is booted live from external media, and leaves no/ minimal trace on the system. The aim of the project, was to provide all required cryptographic tools offline, to protect against Trojan-based surveillance

General Purpose Linux Distros

If you do not want to use a specalist security-based distro, or you are new to Unix- then just switching to any well-maintained Linux distro, is going to be significantly more secure and private than Windows or Mac OS. Since it is open source, major distros are constantly being audited by members of the community. Linux does not give users admin rights by default- this makes is much less likley that your system could become infected with malware. And of course, there is no proprietary Microsoft or Apple software constantly monitoring everything you do.

Some good distros to consider would be: Fedora, Debian, or Arch- all of which have a large community behind them. Manjaro (based of Arch) is a good option, with a simple install process, used by new comers, and expers alike. See comparison.

BSD systems arguably have far superior network stacks. OpenBSD is designed for maximum security — not just with its features, but with its implementation practices. It’s a commonly used OS by banks and critical systems. FreeBSD is more popular, and aims for high performance and ease of use.

Improve the Security and Privacy of your current OS

If you have chosen to stick with your current OS, there are a couple of things you can do to improve security, see: Windows 10 security guide, Mac OS security guide or Linux security guide.

Windows Defences

Provider Description
HardenTools A utility that disables a number of risky Windows features. These "features" are exposed by the OS and primary consumer applications, and very commonly abused by attackers, to execute malicious code on a victim's computer. So this tool just reduces the attack surface by disabling the low-hanging fruit
Sticky-Keys-Slayer Scans for accessibility tools backdoors via RDP
SigCheck Audit a Windows host's root certificate store against Microsoft's Certificate Trust List (CTL)
Windows Secure Baseline Group Policy objects, compliance checks, and configuration tools that provide an automated and flexible approach for securely deploying and maintaining the latest releases of Windows 10
IIS Crypto A utility for configuring encryption protocols, cyphers, hashing methods, and key exchanges for Windows components
NetLimiter Internet traffic control and monitoring tool

See Also:

Mac OS Defences

Provider Description
LuLu Free, open source macOS firewall. It aims to block unknown outgoing connections, unless explicitly approved by the user
Stronghold Easily configure macOS security settings from the terminal
Fortress Kernel-level, OS-level, and client-level security for macOS. With a Firewall, Blackhole, and Privatizing Proxy for Trackers, Attackers, Malware, Adware, and Spammers; with On-Demand and On-Access Anti-Virus Scanning

Home Automation

If you have smart devices within your home, you should consider running the automation locally, rather than using a cloud service. This will reduce the amount of exploits you could potentially be vulnerable to. It is also important to have network monitoring and firewalls enabled, to ensure suspicious activity is flagged or blocked. The following projects will make controlling and monitoring IoT devices within your home easier, safer and more private.

Provider Description
Home Assistant Open source home automation that puts local control and privacy first- 1500+ integrations. Runs well on a Raspberry Pi, accessible though a web interface and CLI, as well as several controller apps (such as HassKit and the official Home Assistant App)
OpenHAB A vendor and technology agnostic open source automation software for your home, with 2000+ supported devices and addons. Works well on a Raspberry Pi, or low-powerd home server, and again there are some great apps for, such as the official OpenHabb App and the HomeHabit wall dashboard
Domoticz Another home automation system, Domoticz is more geared towards connecting and monitoring sensors within your space. Allows you to monitor your environment without anyone but you having access to the data
Node-RED Node-RED is a programming tool for wiring together hardware devices, APIs and online services, it provides a browser-based editor that makes it easy to build flows with a wide range of supported nodes, and it is easy to deploy locally in your network

Notable Mentions

For creating dashboard from IoT devices, see ThingsBoard. Another home automation tool is FHEM, which has been around for a while and needs a bit more work to get up and running, but is still a popular option.

Word of Warning

IoT smart home devices can open you up to many security risks and exploits. It is really important that you configure them correctly, setting strong unique passwords, turn off data sharing, and if possible restrict internet access so devices can only communicate within your local network. See Smart Home Security Checklist for more tips.

AI Voice Assistants

Google Assistant, Alexa and Siri don't have the best reputation when it comes to protecting consumers privacy, there have been many recent breaches. For that reason it is recommended not to have these devices in your house. The following are open source AI voice assistants, that aim to provide a human voice interface while also protecting your privacy and security

Provider Description
Mycroft An open source privacy-respecting AI platform, that runs on many platforms (Raspberry Pi, desktop, or dedicated Mycroft device). It is in active development, with thorough documentation and a broad range of available skills, but also Mycroft makes it really easy to develop new skills
Kalliope An open source, modular always-on voice controlled personal assistant designed for home automation. It runs well on Raspberry Pi, Debian or Ubuntu and is easy to program with simple YAML-based skills, but does not have a wide library of pre-built add-ons

Notable Mentions

If you choose to continue using Google Home/ Alexa, then check out Project Alias. It's a small app that runs on a Pi, and gives you more control over your smart assistants, for both customisation and privacy.

For a desktop-based assistant, see Dragonfire for Ubuntu, and Jarvis for MacOS. LinTO, Jovo and Snips are private-by-design voice assistant frameworks that can be built on by developers, or used by enterprises. Jasper, Stephanie and Hey Athena are Python-based voice assistant, but neither is under active development anymore. See also OpenAssistant.

Word of Warning

If you are building your own assistant, you may want to consider a hardware-switch for disabling the microphone. Keep tabs on issues and check the code, to ensure you are happy with how it works, from a privacy perspective.

Bonus #1 - Alternatives to Google

Moving away from Google, and using multiple alternative apps will mean there is no single source of tracking. Open source and privacy-focused software is best

Bonus #2 - Open Source Media Applications

Community-maintained media software can help you migrate away from providers that may not respect privacy. The following creative software packages are open source, cross-platform and free.

Bonus #3 - Self-Hosted Services

Bonus #4 - Self-Hosted Sysadmin

Bonus #5 - Self-Hosted Development Tools

Bonus #6 - Security Testing Tools

This list is intended to aid you in auditing the security of your own systems, and help detect and eliminate vulnerabilities. It is intended for advanced users and sysadmins. For penetration testing, see enaqx/awesome-pentest GitHub list instead

  • Amass - In-depth Attack Surface Mapping and Asset Discovery, to help you identify issues and secure your network
  • CloudFail - Ensure there are no misconfigured DNS and old database records, accessible by bypassing CloudFlare network
  • CrackMapExec - A CLI tool for pen testing all areas of your local and remote networks, to ensure their integrity
  • DNSdumpster - A domain research tool that can discover hosts related to a domain. It can be used to test and ensure there are no visible hosts that a hacker could exploit
  • DNSTracer - Scan your domain, to show which records are publicly visible and need to be obfuscated
  • dnstwist - Domain name permutation engine for detecting typo squatting, phishing and corporate espionage, to protect those on your network
  • GRR - incident response framework focused on remote live forensics
  • Impacket - A collection of Python classes for working with network protocols, focused on providing low-level programmatic access to the packets and for the protocol implementation themselves
  • Kali Linux - A Debian-based distro for security testing, bundled with 1000's of powerful packages and scripts. Saves a lot of time configuring sys-admin tools and drivers
  • Lynis - A security tool that performs an extensive health scan of your systems to support system hardening and compliance testing
  • Masscan - TCP port scanner, that checks packets asynchronously, configure it to check only your IP ranges and it completes in milliseconds
  • Metasploit - Popular and powerful penetration testing framework, for exploitation and vulnerability validation- bundled with a full suit of tools, it makes it easy to divide your penetration testing workflow into manageable sections. Very useful for testing your entire network E2E
  • Moloch - Full packet capture, indexing, and database system. The elastic search backend makes searching through pcaps fast, and the frontend displays captured data clearly with good support for protocol decoding
  • Nikto2 - Well-established web server testing tool, useful for firing at your web server to find known vulnerable scripts, configuration mistakes and related security problems
  • Nmap - Powerful utility for network discovery and security auditing. Useful for your network inventory, managing service upgrade schedules, and monitoring host or service uptime
  • OpenAudit - An application to tell you exactly what is on your network, how it is configured and when it changes
  • OpenVAS - Fully-featured security vulnerability management system, with web-based dashboards. Useful for fast and easy scans of your network
  • OSQuery - SQL powered operating system instrumentation, monitoring, and analytics. Very performant cross-platform tool, useful for monitoring a host for changes and providing endpoint visibility
  • OSSEC HIDS - A host based intrusion detection system that is easy to setup and configure, which performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response
  • Otseca - Search and dump your system configuration + generate HTML reports
  • RouterSploit: An exploitation framework for checking the security of local embedded devices, to ensure they are safe
  • Security Onion - Linux distro for intrusion detection, enterprise security monitoring, and log management. It includes a suit of security testing tools. Useful for collecting, storing and managing a variety of system data, for use on your networks
  • Snort - Intrusion detection system aimed at real time traffic analysis and packet logging tool
  • SPARTA - GUI tool that makes pen testing your network infrastructure easier
  • Wireshark - Popular, powerful feature-rich network protocol analyser. Lets you analyse everything that is going on in your network in great detail
  • Zeek - Powerful intrusion detection system and network security monitoring, that (rather than focusing on signatures) decodes protocols and looks for anomalies within the traffic

Bonus #7 - Raspberry Pi/ IoT Security Software

  • OnionPi - Create an Anonymizing Tor Proxy using a Raspberry Pi
  • CIRCLean - A Pi-based USB Sanitizer, plug an untrusted USB in, and get clean files out
  • Pi Hole - A network-wide ad-block, that improves network performance as well as privacy
  • Project Alias - Gives you full-control, and better privacy of your Google Home or Alexa
  • Raspiblitz - Build your own Bitcoin & Lightning Node on a Pi, see also Trezor wallet
  • PiVPN - Simple low-cost yet secure VPN, for the Raspberry Pi (or set up manually, as outlined in this guide)
  • DeauthDetector - Detect deauthentication frames using an ESP8266, useful to be aware of ongoing wireless attacks
  • IPFire - Hardened open source firewall to prevent common attacks on your network. Capable of running on a Pi
  • SquidGuard - Fast and free URL redirector, which can work well as a home caching server
  • E2guardian - Comprehensive content filtering, with powerful configuration options

USB-based projects include:

  • DBAN - Bootable hard drive erasers for destroying data
  • Syncthing - Create automated backups to an external medium
  • KeePass Portable - Portable password manager. For hardware-encrypted password manager, see HardPass 2.0
  • VeraCrypt - Full drive encryption for USB devices

See more hardware-based security solutions

More Awesome Software Lists

This list was focused on privacy-respecting software. Below are other awesome lists, maintained by the community of open source software, categorised by operating system.

This page is just one in this repository of open source privacy & security resources. I have a range of guides, checklists, links and tutorials, all aimed to provide a starting point for anyone looking to get serious about security. So while your here, why not also check out the other files linked to below 😊

Final Notes

Conclusion

Many coporations put profit before people, collecting data and exploiting privacy. They claim to be secure but without being open source it can't be verified, until there's been a breach and it's too late. Switching to privacy-respecting open source software will drastically help improving your security, privacy and anonymity online.

However, that's not all you need to do. It is also important to : use strong and unique passwords, 2-factor authentication, adopt good networking practices and be mindful of data that are collected when browsing the web. You can see the full personal security checklist for more tips to stay safe.

Disclaimer

Compartmentalise
No piece of software is truly secure or private. Further to this, software can only as secure as the system it is running on. Vulnerabilities are being discovered and patched all the time, so you much keep your system up-to-date. Breaches occur regularly, so compartmentalise your data to minimise damage. It's not just about choosing secure software, you must also follow good security practices.

Attack Surface
It is a good idea to keep your trusted software base small, to reduce potential attack surface. At the same time trusting a single application for too many tasks could be a weakness in your system. So you will need to judge the situation according to your threat model, and carefully plan which software and applications you trust with each segment of your data.

Convenience Vs Security
There is often a trade-off between convenience and security. Construct a threat model, and choose a balance that is right for you. In a similar way in some situations there is privacy and security conflict (e.g. Find My Phone is great for security, but terrible for privacy, and anonymous payments may be good for privacy but less secure than insured fiat currency). Again it is about assessing your situation, understanding the risks and making an informed decision.

Open Source Considerations
Open source software has long had a reputation of being more secure than its closed source counterparts. Since bugs are raised transparently, fixed quickly, the code can be checked by experts in the community and there is usually little or no data collection or analytics. That being said, there is no piece of software that it totally bug free, and hence never truly secure or private. Being open source, is in no way a guarantee that something is safe. There is no shortage of poorly-written, obsolete or sometimes plain malicious open source projects on the internet.

Hosted Vs Self-Hosted Considerations
When using a hosted or managed application that is open-source software- there is often no easyily way to tell if the version running is the same as that of the published source code (even published signatures can be faked). There is always the possibility that additional backdoors may have been knowingly or unknowingly implemented in the running instance. One way round this is to self-host software yourself. When self-hosting you will then know for sure which code is running, however you will also be responsible for the managing security of the server, and so may not be recommended for beginners.

Proprietary Considerations
When using a hosted or proprietary solution- always check the privacy policy, research the reputation of the organisation, and be weary about which data you trust them with. Where possible choose open source software for security-critical situations.

This List: Disclaimer
This list contains packages that range from entry-level to advanced, a lot of the software here will not be appropriate for all audiences. It is in no way a definitive list of secure applications, and aims only to be a guide, a collection of software and services that myself and others have used, and would recommend. There will always be new vulnerabilities discovered or introduced, bugs and poorly configured systems. It is up to you to do your research, and decide where and how your data are managed.

If you find something on this list that should no longer be deemed secure, please raise an issue. In the same way if you know of something that is missing, or would like to make an edit, the pull requests are welcome, and are much appreiciated!

Contributing

Thanks for visiting! If you have suggestions, then you open an issue, or submit a PR, see: CONTRIBUTING.md. Contributions are welcome, and much appreciated ☺️

License

Attribution 4.0 International

Licensed under Creative Commons, CC BY 4.0, © Alicia Sykes 2020

Thank you

Thank you for checking out this project- I hope you found it somewhat useful 😊

This list was started by myself- Alicia, with a lot of help + contributions from the community. You can get in contact with me below:

Alicia Sykes on Twitter Alicia Sykes on GitHub Alicia Sykes on Mastodon Alicia Sykes on Keybase Alicia Sykes's PGP Alicia Sykes's Website

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