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## Major Cloud Providers
* [Google Cloud Platform](https://cloud.google.com)
* [Google Cloud Platform](https://cloud.google.com)
* App Engine - 28 frontend instance hours per day, 9 backend instance hours per day
* Cloud Firestore - 1GB storage, 50,000 reads, 20,000 writes, 20,000 deletes per day
* Compute Engine - 1 non-preemptible f1-micro, 30GB HDD, 5GB snapshot storage (restricted to certain regions)
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* Visual Studio Code
* Full, detailed list - https://azure.microsoft.com/en-us/free/
* [Oracle Cloud](https://www.oracle.com/cloud/)
* Compute - 2 VM.Standard.E2.1.Micro 1GB RAM
* Block Volume - 2 volumes, 100 GB total (used for compute)
* Object Storage - 10 GB
* Load balancer - 1 instance with 10 Mbps
* Databases - 2 DBs, 20 GB each
* Monitoring - 500 million ingestion datapoints, 1 billion retrieval datapoints
* Bandwidth - 10TB egress per month
* Notifications - 1 million delivery options per month, 1000 emails sent per month
* Full, detailed list - https://www.oracle.com/cloud/free/
## Source Code Repos
* [github.com](https://github.com/) — Unlimited public repositories and unlimited private repositories (up to 3 collaborators)
* [bitbucket.org](https://bitbucket.org/) — Unlimited public and private repos (Git and Mercurial) for up to 5 users with Pipelines for CI/CD
* [gitlab.com](https://about.gitlab.com/) — Unlimited public and private Git repos with unlimited collaborators
* [chiselapp.com](http://chiselapp.com/) — Unlimited public and private Fossil repositories
* [visualstudio.com](https://www.visualstudio.com/) — Unlimited private repos (Git and TFS) for up to 5 users/team
* [Azure DevOps](https://azure.microsoft.com/services/devops/) — Unlimited private repos (Git and TFS) for up to 5 users/team
* [plasticscm.com](https://plasticscm.com/) — Free for individuals, OSS and nonprofit organizations
* [codebasehq.com](https://www.codebasehq.com/) — One free project with 100 MB space and 2 users
* [NotABug](https://notabug.org) — NotABug.org is a free-software code collaboration platform for freely licensed projects, Git-based
* [perforce.com](https://www.perforce.com/products/helix-teamhub) — Free 1GB Cloud and Git, Mercurial, or SVN repositories.
* [projectlocker.com](https://projectlocker.com) — One free private project (Git and Subversion) with 50 MB space
* [ionicframework.com](https://ionicframework.com/appflow) - Repo and tools to develop applications with Ionic, also you have an ionic repo
* [gitea.com](https://www.gitea.com/) - Unlimited public and private Git repos
* [codeberg.org](https://codeberg.org/) - Unlimited public and private Git repos
## APIs, Data and ML
* [ProxyCrawl](https://proxycrawl.com/) — Crawl and scrape websites without the need of proxies, infrastructure or browsers. We solve captchas for you and prevent you being blocked. The first 1000 calls are free of charge.
* [ScrapingNinja](https://www.scrapingninja.co/) — Handle JS rendering, Chrome Headless, Proxy rotation and CAPTCHAs solving all in one place. The first 1000 are free of charge, no credit card required.
* [ApiFlash](https://apiflash.com) — A screenshot API based on Aws Lambda and Chrome. Handles full page, capture timing, viewport dimensions, ...
* [Scraper API](https://www.scraperapi.com/) — Cloud based web scraping API handles proxies, browsers, and CAPTCHAs. Scrape any web page with a simple API call. Get started with 1000 free API calls/month.
* [dreamfactory.com](https://dreamfactory.com/) — Open source REST API backend for mobile, web, and IoT applications. Hook up any SQL/NoSQL database, file storage system, or external service and it instantly creates a comprehensive REST API platform with live documentation, user management,...
* [monkeylearn.com](https://monkeylearn.com/) — Text analysis with machine learning, free 300 queries/month
* [wit.ai](https://wit.ai/) — NLP for developers
* [wolfram.com](https://wolfram.com/language/) — Built-in knowledge-based algorithms in the cloud
* [wolfram.com](http://wolfram.com/language/) — Built-in knowledge-based algorithms in the cloud
* [parsehub.com](https://parsehub.com/) — Extract data from dynamic sites, turn dynamic websites into APIs, 5 projects free
* [wrapapi.com](https://wrapapi.com/) — Turn any website into a parameterized API. 30k API calls per month
* [algorithmia.com](https://algorithmia.com/) — Host algorithms for free. Includes free monthly allowance for running algorithms. Now with CLI support
* [bigml.com](https://bigml.com/) — Hosted machine learning algorithms. Unlimited free tasks for development, limit of 16 MB data/task
* [konghq.com/](https://konghq.com/) — API Marketplace and powerful tools for private and public APIs. With the free tier, some features are limited such as monitoring, alerting and support
* [dominodatalab.com](https://www.dominodatalab.com) — Data science with support for Python, R, Spark, Hadoop, Matlab and others
* [havenondemand.com](https://www.havenondemand.com) — APIs for machine learning
* [restlet.com](https://restlet.com/products/apispark/) — APISpark enables any API, application or data owner to become an API provider in minutes via an intuitive browser interface
* [scrapinghub.com](https://scrapinghub.com) — Data scraping with visual interface and plugins. Free plan includes unlimited scraping on a shared server
* [Apify](https://www.apify.com/) — Web scraping and automation platform that lets you create an API extracting websites data. Free tier with 10k monthly crawls and 7 days data retention.
* [Diggernaut](https://www.diggernaut.com/) — Cloud based web scraping and data extraction platform for turning any website to the dataset or to work with it as with an API. Free plan includes 5K page requests monthly.
* [Colaboratory](https://colab.research.google.com) — Free web-based Python notebook environment with Nvidia Tesla K80 GPU.
* [tamber](https://tamber.com) — Put deep-learning powered recommendations in your app. Free 5k monthly active users.
* [Ipgeolocation](https://ipgeolocation.io/) — IP Geolocation API - Forever free plan for developers with 50k requests per month limit.
* [IP Geolocation](https://ipgeolocation.io/) — IP Geolocation API - Forever free plan for developers with 30k requests per month (1k/day) limit.
* [RequestBin.com](https://requestbin.com) — Create a free endpoint to which you can send HTTP requests. Any HTTP requests sent to that endpoint will be recorded with the associated payload and headers so you can observe requests from webhooks and other services.
* [MailboxValidator](https://www.mailboxvalidator.com) — Email verification service using real mail server connection to confirm valid email. Free API plan has 300 verifications per month.
* [IP2Location](https://www.ip2location.com) — Freemium IP geolocation service. LITE database is available for free download. Import the database in server and perform local query to determine city, coordinates and ISP information.
* [FraudLabs Pro](https://www.fraudlabspro.com) — Screen an order transaction for credit card payment fraud. This REST API will detects all possible fraud traits based on the input parameters of an order. Free Micro plan has 500 transactions per month.
* [IPList](https://www.iplist.cc) — Lookup details about any IP address, such as Geo IP information, tor addresses, hostnames and ASN details. Free for personal and business users.
* [IPTrace](https://iptrace.io) — An embarrassingly simple API that provides reliable and useful IP geolocation data for your business.
* [Clarifai](https://www.clarifai.com) — Image API for custom face recognition and detection. Able to train AI models. Free plan has 5000 calls per month.
* [Releaseflags](https://releaseflags.com) - Feature Flags should be available for every developer at a low cost. Releaseflags offers free releaseflags for single developers and a low cost plan for startups.
* [FreeGeoIP.app](https://freegeoip.app/) - Completely free Geo IP information (JSON, CSV, XML). No registration required, 15000 queries per hour rate limit.
## Artifact Repos
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## Tools for Teams and Collaboration
* [scinote.net](https://scinote.net) — Scientific data management and team collaboration. One Team with unlimited number of users, backup and 1 GB storage space
* [appear.in](https://appear.in/) — One click video conversations, for free
* [whereby.com](https://whereby.com/) — One click video conversations, for free (formerly known as appear.in)
* [meet.jit.si](https://meet.jit.si/) — One click video conversations, screen sharing, for free
* [flowdock.com](https://www.flowdock.com/) — Chat and inbox, free for teams up to 5
* [slack.com](https://slack.com/) — Free for unlimited users with some feature limitations
* [gitter.im](https://gitter.im/) — Chat, for GitHub. Unlimited public and private rooms, free for teams up to 25
* [Discord](https://discordapp.com/) — Chat with public/private Rooms & VoIP Service. Free for unlimited users.
* [hangouts.google.com](https://hangouts.google.com/) — One place for all your conversations, for free, need a Google account
* [seafile.com](https://www.seafile.com/) — Private or cloud storage, file sharing, sync, discussions. Private version is full. Cloud version has just 1 GB
* [yammer.com](https://www.yammer.com/) — Private social network standalone or for MS Office 365. Free with a bit less admin tools and users management features
* [helpmonks.com](https://helpmonks.com/) — Shared inbox for teams, free for Open Source and nonprofit organizations
* [typetalk.in](https://www.typetalk.in/) — Share and discuss ideas with your team through instant messaging on the web or on your mobile
* [typetalk.com](https://www.typetalk.com/) — Share and discuss ideas with your team through instant messaging on the web or on your mobile
* [talky.io](https://talky.io/) — Free group video chat. Anonymous. Peer‑to‑peer. No plugins, signup, or payment required
* [sourcetalk.net](http://sourcetalk.net/) — Code discussion tool, free for open code talks
* [helplightning.com](https://www.helplightning.com/) — Help over video with augmented reality. Free without analytics, encryption, support
* [evernote.com](https://evernote.com/) — Tool for organizing information. Share your notes and work together with others
* [doodle.com](https://doodle.com/) — The scheduling tool you'll actually use. Find a date for a meeting two times faster
* [zoom.us](https://zoom.us/) — Secure Video and Web conferencing, add-ons available. Free limited to 40 minutes
* [ideascale.com](https://ideascale.com/) — Allow clients to submit ideas and vote, free for 25 members in 1 community
* [wistia.com](https://wistia.com/) — Video hosting with viewer analytics, HD video delivery and marketing tools to help understand your visitors, 25 videos and Wistia branded player
* [cnverg.com](https://www.cnverg.com/) — Real-time shared visual workspace, whiteboard, GitHub integration. Free 5 GB, 5 spaces and 5 collaborators, no GitHub repos
* [flock.com](https://flock.com) — A faster way for your team to communicate. Free Unlimited Messages, Channels, Users, Apps & Integrations
* [Igloo](https://www.igloosoftware.com/) — Internal portal for sharing documents, blogs and calendars etc. Free for up to 10 users.
* [riot.im](https://about.riot.im/) — A decentralized communication tool built on Matrix. Group chats, direct messaging, encrypted file transfers, voice and video chats, and easy integration with other services.
* [Microsoft Teams](https://products.office.com/en-us/microsoft-teams/free) — Microsoft Teams is a chat-based digital hub that brings conversations, content, and apps together in one place all from a single experience. Free for up to 300 users.
* [Microsoft Teams](https://products.office.com/microsoft-teams/free) — Microsoft Teams is a chat-based digital hub that brings conversations, content, and apps together in one place all from a single experience. Free for up to 300 users.
## Code Quality
* [tachikoma.io](https://tachikoma.io/) — Dependency Update for Ruby, Node.js, Perl projects, free for Open Source
* [landscape.io](https://landscape.io/) — Code Quality for Python projects, free for Open Source
* [codeclimate.com](https://codeclimate.com/) — Automated code review, free for Open Source and unlimited organisation-owned private repos (upto 4 collaboraters). Also free for students and institutions.
* [houndci.com](https://houndci.com/) — Comments on GitHub commits about code quality, free for Open Source
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* [scrutinizer-ci.com](https://scrutinizer-ci.com/) — Continuous inspection platform, free for Open Source
* [codecov.io](https://codecov.io/) — Code coverage tool (SaaS), free for Open Source and 1 free private repo
* [insight.sensiolabs.com](https://insight.sensiolabs.com/) — Code Quality for PHP/Symfony projects, free for Open Source
* [codacy.com](https://codacy.com/) — Automated code reviews for PHP, Python, Ruby, Java, JavaScript, Scala, CSS and CoffeeScript, free for unlimited public and private repositories
* [codacy.com](https://www.codacy.com/) — Automated code reviews for PHP, Python, Ruby, Java, JavaScript, Scala, CSS and CoffeeScript, free for unlimited public and private repositories
* [gocover.io](https://gocover.io/) — Code coverage for any [Go](https://golang.org/) package
* [goreportcard.com](https://goreportcard.com/) — Code Quality for Go projects, free for Open Source
* [scan.coverity.com](https://scan.coverity.com/) — Static code analysis for Java, C/C++, C# and JavaScript, free for Open Source
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* [shields.io](https://shields.io) — Quality metadata badges for open source projects
* [beanstalkapp.com](https://beanstalkapp.com/) — A complete workflow to write, review and deploy code), free account for 1 user and 1 repository with 100 MB of storage
* [testanywhere.co](https://testanywhere.co/) — Automatic test website or web app continuously and catch bugs in the early stages, free 1,000 tests/month
* [blamewarrior.com](https://blamewarrior.com/) — Tool to automatically assign reviewers for new pull requests and track statistics of review process, free for Open Source
* [gerrithub.io](https://review.gerrithub.io/) — Gerrit code review for GitHub repositories for free
* [reviewable.io](https://reviewable.io/) — Code review for GitHub repositories, free for public or personal repos
* [sonarcloud.io](https://sonarcloud.io) — Automated source code analysis for Java, JavaScript, C/C++, C#, VB.NET, PHP, Objective-C, Swift, Python, Groovy and even more languages, free for Open Source
* [golangci.com](https://golangci.com) — Automated Go (golang) code review service for GitHub pull requests.
* [lgtm.com](https://lgtm.com) — Continuous security analysis for Java, Python, JavaScript, TypeScript, C#, C and C++, free for Open Source
* [deepscan.io](https://deepscan.io) — Advanced static analysis for automatically finding runtime errors in JavaScript code, free for Open Source
## Code Search and Browsing
* [codota.com](https://www.codota.com/) — Codota helps developers create better software, faster by providing insights learned from all the code in the world. Plugin available.
* [libraries.io](https://libraries.io/) — Search and dependency update notifications for 32 different package managers, free for open source
* [sourcegraph.com](https://sourcegraph.com/) — Java, Go, Python, Node.js, etc., code search/cross-references, free for Open Source
* [sourcegraph.com](https://about.sourcegraph.com/) — Java, Go, Python, Node.js, etc., code search/cross-references, free for Open Source
* [searchcode.com](https://searchcode.com/) — Comprehensive text-based code search, free for Open Source
## CI / CD
* [dev.azure.com](https://azure.microsoft.com/services/devops/pipelines/) — 10 free parallel jobs with unlimited minutes for open source for Linux, macOS, and Windows
* [ligurio/awesome-ci](https://github.com/ligurio/awesome-ci) — Comparison of Continuous Integration services
* [Azure Pipelines](https://azure.microsoft.com/services/devops/pipelines/) — 10 free parallel jobs with unlimited minutes for open source for Linux, macOS, and Windows
* [codefresh.io](https://codefresh.io) — Free-for-Life plan: 1 build, 1 environment, shared servers, unlimited public repos
* [codeship.com](https://codeship.com/) — 100 private builds/month, 5 private projects, unlimited for Open Source
* [circleci.com](https://circleci.com/) — Free for one concurrent build
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* [semaphoreci.com](https://semaphoreci.com/) — Free for Open Source, 100 private builds per month
* [shippable.com](https://app.shippable.com/) — 150 private builds/month, free for 1 build container, private and public repos
* [appveyor.com](https://www.appveyor.com/) — CD service for Windows, free for Open Source
* [github.com](https://github.com/ligurio/Continuous-Integration-services) — Comparison of Continuous Integration services
* [ftploy.com](https://ftploy.com/) — 1 project with unlimited deployments
* [deployhq.com](https://www.deployhq.com/) — 1 project with 10 daily deployments
* [deployhq.com](https://www.deployhq.com/) — 1 project with 10 daily deployments (30 build minutes/month)
* [styleci.io](https://styleci.io/) — Public GitHub repositories only
* [bitrise.io](https://www.bitrise.io/) — An iOS CI/CD with 200 free builds/month
* [buddybuild.com](https://www.buddybuild.com/) — Build, deploy and gather feedback for your iOS and Android apps in one seamless, iterative system
* [gitlab.com](https://about.gitlab.com/gitlab-ci/) — Create pipelines directly from Git repositories using GitLab's CI service. 2,000min/mo
* [gitlab.com](https://about.gitlab.com/product/continuous-integration/) — Create pipelines directly from Git repositories using GitLab's CI service. 2,000min/mo
* [buddy.works](https://buddy.works/) — A CI/CD with 5 free projects and 1 concurrent runs (120 executions/month)
* [bitrise.io](https://www.bitrise.io/) — Hosted CI/CD for iOS and Android with free unlimited builds, apps and teammembers and 1 concurrent run for OSS projects
* [bitrise.io](https://www.bitrise.io/) — A CI/CD for mobile apps, native or hybrid. With 200 free builds/month 10 min build time and two team members. OSS projects get 45 min build time, +1 concurrency and unlimited team size.
## Automated Browser Testing
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* [everystep-automation.com](https://www.everystep-automation.com/) — Records and replays all steps made in a web browser and creates scripts,... free with fewer options
* [Applitools.com](https://applitools.com/) — smart visual validation for web, native mobile and desktop apps. Integrates with almost all automation solutions (like Selenium and Karma) and remote runners (Sauce Labs, Browser Stack). free for open source. A free tier for a single user with limited checkpoints per week.
* [checkbot.io](https://www.checkbot.io/) — Browser extension that tests if your website follows 50+ SEO, speed and security best practices. Free tier for smaller websites.
* [testingbot.com](https://testingbot.com/) — Selenium Browser and Device Testing, [free for Open Source](https://testingbot.com/open-source)
## Security and PKI
* [pyup.io](https://pyup.io) — Monitory Python dependencies for security vulnerabilities and update them automatically. Free for one private project, unlimited projects for open source.
* [threatconnect.com](https://www.threatconnect.com) — Threat intelligence: It is designed for individual researchers, analysts and organizations who are starting to learn about cyber threat intelligence. Free up to 3 Users
* [threatconnect.com](https://threatconnect.com) — Threat intelligence: It is designed for individual researchers, analysts and organizations who are starting to learn about cyber threat intelligence. Free up to 3 Users
* [crypteron.com](https://www.crypteron.com/) — Cloud-first, developer-friendly security platform prevents data breaches in .NET and Java applications
* [snyk.io](https://snyk.io) — Snyk found and reported several vulnerabilities in the package.Limited to 1 private project (unlimited for open source projects)
* [letsencrypt.org](https://letsencrypt.org/) — Free SSL Certificate Authority with certs trusted by all major browsers
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* [alienvault.com](https://www.alienvault.com/open-threat-exchange/reputation-monitor) — Uncovers compromised systems in your network
* [duo.com](https://duo.com/) — Two-factor authentication (2FA) for website or app. Free 10 users, all authentication methods, unlimited, integrations, hardware tokens
* [tinfoilsecurity.com](https://www.tinfoilsecurity.com/) — Automated vulnerability scanning. Free plan allows weekly XSS scans
* [acunetix.com](https://www.acunetix.com/free-network-security-scanner/) — Free vulnerability and network scanning for 3 targets
* [ponycheckup.com](https://www.ponycheckup.com/) — An automated security checkup tool for Django websites
* [foxpass.com](https://www.foxpass.com/) — Hosted LDAP and RADIUS. Easy per-user logins to servers, VPNs and wireless networks. Free for 10 users
* [opswat.com](https://www.opswat.com/) — Security Monitoring of computers, devices, applications, configurations,... Free 25 users and 30 days history
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* [Internet.nl](https://internet.nl) — Test for modern Internet Standards like IPv6, DNSSEC, HTTPS, DMARC, STARTTLS and DANE
* [Mozilla Observatory](https://observatory.mozilla.org/) — Find and fix security vulnerabilities in your site.
* [Shieldfy](https://shieldfy.io) — Web application firewall and vulnerability detection for developers, free plan up to 100k requests per month.
* [Sqreen](https://www.sqreen.com/) — Application security monitoring and protection (RASP, WAF and more) for web applications and APIs. Free for 1 app and 3 million requests.
## Management System
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## Log Management
* [bugfender.com](https://bugfender.com/) — Free up to 100k log lines/day with 24 hours retention
* [humio.com](https://www.humio.com/) — Free up to 2 GB/day with 7 days retention
* [logentries.com](https://logentries.com/) — Free up to 5 GB/month with 7 days retention
* [loggly.com](https://www.loggly.com/) — Free for a single user, see the lite option
* [logz.io](https://logz.io/) — Free up to 1 GB/day, 3 days retention
* [papertrailapp.com](https://papertrailapp.com/) — 48 hours search, 7 days archive, 100 MB/month
* [rollbar.com](https://rollbar.com) — Free up to 5000 events/month, 30 days retention
* [sematext.com](https://sematext.com//logsene) — Free up to 500 MB/day, 7 days retention
* [sematext.com](https://sematext.com/logsene) — Free up to 500 MB/day, 7 days retention
* [sumologic.com](https://www.sumologic.com/) — Free up to 500 MB/day, 7 days retention
## Translation Management
* [lingohub.com](https://lingohub.com/) — Free up to 3 users, always free for Open Source
* [getlocalization.com](https://www.getlocalization.com/) — Free for public projects
* [webtranslateit.com](https://webtranslateit.com/) — Free up to 500 strings
* [transifex.com](https://www.transifex.com/) — Free for Open Source
* [oneskyapp.com](https://www.oneskyapp.com/) — Limited free edition for up to 5 users, free for Open Source
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## Monitoring
* [cloudsploit.com](https://cloudSploit.com) — AWS security and configuration monitoring. Free: unlimited on-demand scans, unlimited users, unlimited stored accounts. Subscription: automated scanning, API access, etc
* [elastic.co](https://www.elastic.co/solutions/apm) — ​Instant performance insights for JS developers. Free with 24 hours data retention
* [cloudsploit.com](https://cloudsploit.com) — AWS security and configuration monitoring. Free: unlimited on-demand scans, unlimited users, unlimited stored accounts. Subscription: automated scanning, API access, etc
* [elastic.co](https://www.elastic.co/solutions/apm) — Instant performance insights for JS developers. Free with 24 hours data retention
* [appneta.com](https://www.appneta.com/) — Free with 1 hour data retention
* [thousandeyes.com](https://www.thousandeyes.com/) — Network and user experience monitoring. 3 locations and 20 data feeds of major web services free
* [datadoghq.com](https://www.datadoghq.com/) — Free for up to 5 nodes
* [freshping.io](https://www.freshworks.com/website-monitoring/) — Monitor 50 URLs at 1-minute interval with 10 Global locations and 5 Public status pages for Free
* [freshworks.com](https://www.freshworks.com/website-monitoring/) — Monitor 50 URLs at 1-minute interval with 10 Global locations and 5 Public status pages for Free
* [nodequery.com](https://nodequery.com/) — Free basic server monitor up to 10 servers
* [circonus.com](https://www.circonus.com/) — Free for 20 metrics
* [uptimerobot.com](https://uptimerobot.com/) — Website monitoring, 50 monitors free
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## Crash and Exception Handling
* [rollbar.com](https://rollbar.com/) — Exception and error monitoring, free plan with 5,000 errors/month, unlimited users, 30 days retention
* [bugsnag.com](https://bugsnag.com/) — Free for up to 2,000 errors/month after the initial trial
* [bugsnag.com](https://www.bugsnag.com/) — Free for up to 2,000 errors/month after the initial trial
* [sentry.io](https://sentry.io/) — Sentry tracks app exceptions in real-time, has a small free plan. Free, unrestricted use if self-hosted
## Search
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* [swiftype.com](https://swiftype.com/) — Hosted search solution (API and crawler). Free for a single search engine with up to 1,000 documents. Free upgrade to premium level for Open Source
* [bonsai.io](https://bonsai.io/) — Free 1 GB memory and 1 GB storage
* [searchly.com](http://www.searchly.com/) — Free 2 indices and 5 MB storage
* [indexisto.com](https://indexisto.com/) — Site search, free 10 million documents index limit with advertisement block
* [cloudsh.com](https://cloudsh.com/) — Powerful search for your website with a few lines of JavaScript. Free personal plan with 300 documents. Free for Open Source up to 10,000 documents.
## Email
* [mailinator.com](https://www.mailinator.com/) — Free, public, email system where you can use any inbox you want
* [sparkpost.com](https://www.sparkpost.com/) — First 15,000 emails/month free
* [cloudmersive.com](https://www.cloudmersive.com/email-verification-api) — Email validation and verification API for developers, 10,000 free API requests/month
* [sparkpost.com](https://www.sparkpost.com/) — First 500 emails/month free
* [mailgun.com](https://www.mailgun.com/) — First 10,000 emails/month free
* [tinyletter.com](https://tinyletter.com/) — 5,000 subscribers/month free
* [mailchimp.com](https://mailchimp.com/) — 2,000 subscribers and 12,000 emails/month free
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* [sendinblue.com](https://www.sendinblue.com/) — 9,000 emails/month free
* [mailtrap.io](https://mailtrap.io/) — Fake SMTP server for development, free plan with 1 inbox, 50 messages, no team member, 2 emails/second, no forward rules
* [zoho.com](https://www.zoho.com/mail/) — Free email management and collaboration for up to 25 users
* [domain.yandex.com](https://domain.yandex.com/domains_add/) — Free email and DNS hosting for up to 1,000 users
* [Yandex.Connect](https://connect.yandex.com/pdd/) — Free email and DNS hosting for up to 1,000 users
* [moosend.com](https://moosend.com/) — Mailing list management service. Free account for 6 months for startups
* [debugmail.io](https://debugmail.io/) — Easy to use testing mail server for developers
* [mailboxlayer.com](https://mailboxlayer.com/) — Email validation and verification JSON API for developers. 1,000 free API requests/month
@ -370,22 +387,32 @@ Table of Contents
* [elasticemail.com](https://elasticemail.com) — 100 free emails/day. 1,000 emails for $0.09 through API (pay as you go).
* [mail-tester.com](https://www.mail-tester.com) — Test if email's dns/spf/dkim/dmarc settings are correct, 20 free/month
* [migadu.com](https://www.migadu.com/) — Email Hosting (Webmail, SMTP, IMAP, ...) — free plan is limited to 10 outgoing mails/day
* [socketlabs.com](https://www.socketlabs.com) - 40k emails free for first month, then first 2000 emails/month free
* [postmarkapp.com](https://postmarkapp.com/) - 100 emails/month free, unlimited DMARC weekly digests
* [testmail.app](https://testmail.app/) - Automate end-to-end email tests with unlimited mailboxes and a GraphQL API. 100 emails/month free forever, unlimited free for open source.
* [Sender](https://www.sender.net) Up to 15 000 emails/month - Up to 2 500 subscribers
## CDN and Protection
* [PageCDN.com](https://pagecdn.com/) - Offers free Public CDN for everyone, and free Private CDN for opensource / non profits.
* [cloudflare.com](https://www.cloudflare.com/) — Basic service is free, good for a blog, it also offers a free SSL certificate service and 5 firewall rules.
* [bootstrapcdn.com](https://www.bootstrapcdn.com/) — CDN for bootstrap, bootswatch and fontawesome.io
* [cdnjs.com](https://cdnjs.com/) — CDN for JavaScript libraries, CSS libraries, SWF, images, etc
* [jsdelivr.com](https://www.jsdelivr.com/) — CDN of OSS (JS, CSS, fonts) for developers and webmasters, accepts PRs to add more
* [raw.githack.com](https://raw.githack.com/) — A modern replacement of **rawgit.com** which simply hosts file using Clouflare
* [developers.google.com](https://developers.google.com/speed/libraries/) — The Google Hosted Libraries is a content distribution network for the most popular, Open Source JavaScript libraries
* [asp.net](https://www.asp.net/ajax/cdn/) — The Microsoft Ajax CDN hosts popular third party JavaScript libraries such as jQuery and enables you to easily add them to your Web application
* [Microsoft Ajax](https://docs.microsoft.com/en-us/aspnet/ajax/cdn/overview) — The Microsoft Ajax CDN hosts popular third party JavaScript libraries such as jQuery and enables you to easily add them to your Web application
* [toranproxy.com](https://toranproxy.com/) — Proxy for Packagist and GitHub. Never fail CD. Free for personal use, 1 developer, no support
* [incapsula.com](https://www.incapsula.com/) — Free CDN and DDoS protection
* [Web Support Revolution](https://w.tools/) — Free CDN, backup, firewall, antivirus and monitoring.
* [section.io](https://www.section.io/) — A simple way to spin up and manage a complete Varnish Cache solution. Supposedly free forever for one site
* [netdepot.com](https://www.netdepot.com/cdn/) — First 100 GB free/month
* [speeder.io](https://speeder.io/) — Uses KeyCDN. Automatic image optimization and free CDN boost. Free and does not require any server changes
* [jare.io](http://www.jare.io) — You should log in using your GitHub account and register your domain. Uses AWS CloudFront
* [jare.io](http://www.jare.io) — CDN for images. Uses AWS CloudFront
* [unpkg.com](https://unpkg.com/) — CDN for everything on npm
* [staticaly.com](https://staticaly.com/) — CDN for Git repos (GitHub, GitLab, Bitbucket), WordPress-related assets and images
* [bitmitigate.com](https://bitmitigate.com/website-suite.html) — Free CDN, DDoS protection and SSL certificate
* [ddos-guard.net](https://ddos-guard.net/store/web) — Free CDN, DDoS protection and SSL certificate
* [ovh.ie](https://www.ovh.ie/ssl-gateway/) — Free DDos protection and SSL certificate
## PaaS
@ -393,7 +420,7 @@ Table of Contents
* [appharbor.com](https://appharbor.com/) — A .Net PaaS that provides 1 free worker
* [heroku.com](https://www.heroku.com/) — Host your apps in the cloud, free for single process apps
* [firebase.google.com](https://firebase.google.com) — Build real-time apps, the free plan has 100 max connections, 10 GB data transfer, 1 GB data storage, 1 GB hosting storage and 10 GB hosting transfer
* [bluemix.net](https://console.ng.bluemix.net/) — IBM PaaS with a monthly free allowance
* [IBM Cloud](https://cloud.ibm.com/login) — IBM PaaS with a monthly free allowance
* [outsystems.com](https://www.outsystems.com/) — Enterprise web development PaaS for on-premise or cloud, free "personal environment" offering allows for unlimited code and up to 1 GB database
* [scn.sap.com](https://scn.sap.com/docs/DOC-56411) — The in-memory Platform-as-a-Service offering from SAP. Free developer accounts come with 1 GB structured, 1 GB unstructured, 1 GB of Git data and allow you to run HTML5, Java and HANA XS apps
* [mendix.com](https://www.mendix.com/) — Rapid Application Development for Enterprises, unlimited number of free sandbox environments supporting 10 users, 100 MB of files and 100 MB database storage each
@ -403,14 +430,15 @@ Table of Contents
* [sandstorm.io](https://sandstorm.io/) — Sandstorm is an open source operating system for personal and private clouds. Free plan offers 200 MB storage and 5 grains free
* [gearhost.com](https://www.gearhost.com/pricing) — Platform for .NET and PHP apps. 256 MB of RAM for free on a shared server with limited resources
* [glitch.com](https://glitch.com/) — Free unlimited public/private hosting with features such as code sharing and real-time collaboration
* [gigalixir.com](https://gigalixir.com/) - Gigalixir provide 1 free instance that never sleeps and free-tier PostgreSQL database limited to 2 connections, 10, 000 rows and no backups, for Elixir/Phoenix apps.
* [gigalixir.com](https://gigalixir.com/) - Gigalixir provide 1 free instance that never sleeps and free-tier PostgreSQL database limited to 2 connections, 10, 000 rows and no backups, for Elixir/Phoenix apps.
* [workers.dev](https://workers.dev) - Deploy serverless code for free on Cloudflare's global network. 100,000 free requests per day with a workers.dev subdomain.
## BaaS
* [blockspring.com](https://www.blockspring.com/) — Cloud functions. Free for 5 million runs/month
* [progress.com](https://www.progress.com/kinvey) — Mobile backend, starter plan has unlimited requests/second, with 1 GB of data storage. Enterprise application support
* [backendless.com](https://backendless.com/) — Mobile and Web Baas, with 1 GB file storage free, push notifications 50000/month, and 1000 data objects in table.
* [hasura.io](https://www.hasura.io/) — Platform to build and deploy app backends fast, free for single node cluster.
* [hasura.io](https://hasura.io/) — Platform to build and deploy app backends fast, free for single node cluster.
* [pusher.com](https://pusher.com/beams) — Free, unlimited push notifications for 2000 monthly active users. A single API for iOS and Android devices.
* [layer.com](https://layer.com/) — The full-stack building block for communications
* [quickblox.com](https://quickblox.com/) — A communication backend for instant messaging, video and voice calling and push notifications
@ -419,10 +447,9 @@ Table of Contents
* [getstream.io](https://getstream.io/) — Build scalable news feeds and activity streams in a few hours instead of weeks, free for 3 million feed updates/month
* [tyk.io](https://tyk.io/) — API management with authentication, quotas, monitoring and analytics. Free cloud offering
* [iron.io](https://www.iron.io/) — Async task processing (like AWS Lambda) with free tier and 1 month free trial
* [nstack.com](https://www.nstack.com/) — Async task processing (like AWS Lambda). 10 free private services and unlimited free public services
* [nstack.com](https://nstack.com/) — Async task processing (like AWS Lambda). 10 free private services and unlimited free public services
* [pubnub.com](https://www.pubnub.com/) — Free push notifications for up to 1 million messages/month and 100 active daily devices
* [pushtechnology.com](https://www.pushtechnology.com/) — Real-time Messaging for browsers, smartphones and everyone. 100 concurrent connections. Free 10 GB data/month
* [webtask.io](https://webtask.io/) — Run code with an HTTP call. No provisioning. No deployment
* [zapier.com](https://zapier.com/) — Connect the apps you use, to automate tasks. 5 zaps, every 15 minutes and 100 tasks/month
* [stackstorm.com](https://stackstorm.com/) — Event-driven automation for apps, services and workflows, free without flow, access control, LDAP,...
* [simperium.com](https://simperium.com/) — Move data everywhere instantly and automatically, multi-platform, unlimited sending and storage of structured data, max. 2,500 users/month
@ -430,6 +457,7 @@ Table of Contents
* [streamdata.io](https://streamdata.io/) — Turns any REST API into an event-driven streaming API. Free plan up to 1 million messages and 10 concurrent connections
* [posthook.io](https://posthook.io/) — Job Scheduling Service. Allows you to schedule requests for specific times. 500 scheduled requests/month free.
* [paraio.com](https://paraio.com) — Backend service API with flexible authentication, full-text search and caching. Free for 1 app, 1GB app data.
* [remotemysql.com](https://remotemysql.com) — Remote MySQL Database hosting, setup is instant and use phpMyAdmin for administration, free for 100Mb data, free backups, no query limits and 99% uptime.
## Web Hosting
@ -437,7 +465,7 @@ Table of Contents
* [sourceforge.net](https://sourceforge.net/) — Find, Create and Publish Open Source software for free
* [devport.co](http://devport.co/) — Turn GitHub projects, apps and websites into a personal developer portfolio
* [netlify.com](https://www.netlify.com/) — Builds, deploy and hosts static site or app, free for 100 GB data and 100 GB/month bandwidth
* [sanity.io](https://www.sanity.io/) – Hosted backend for structured content with customizeable MIT licensed editor built with React. Unlimited projects. 3 users, 2 datasets, 500k API CDN requests, 5GB assets for free per project
* [sanity.io](https://www.sanity.io/) – Hosted backend for structured content with customizeable MIT licensed editor built with React. Unlimited projects. 3 users, 2 datasets, 500k API CDN requests, 5GB assets for free per project
* [pantheon.io](https://pantheon.io/) — Drupal and WordPress hosting, automated DevOps and scalable infrastructure. Free for developers and agencies
* [acquia.com](https://www.acquia.com/) — Hosting for Drupal sites. Free tier for developers. Free development tools (such as Acquia Dev Desktop) also available
* [readthedocs.org](https://readthedocs.org/) — Free documentation hosting with versioning, PDF generation and more
@ -450,44 +478,53 @@ Table of Contents
* [opeNode.io](https://www.openode.io/) — Free cloud hosting for open source projects.
* [kuber.host](https://kuber.host/) — Kubernetes hosting with free plan
* [cloudno.de](https://cloudno.de/) — Free cloud hosting for Node.js apps.
* [heliohost.org](https://www.heliohost.org) — Community powered free hosting for everyone.
* [render.com](https://render.com) — A unified platform to build and run all your apps and web app free SSL, a global CDN, private networks and auto deploys from Git, free for static web page.
## DNS
* [freedns.afraid.org](https://freedns.afraid.org/) — Free DNS hosting
* [dns.he.net](https://dns.he.net/) — Free DNS hosting service with Dynamic DNS Support
* [luadns.com](https://www.luadns.com/) — Free DNS hosting, 3 domains, all features with reasonable limits
* [domain.yandex.com](https://domain.yandex.com/domains_add/) — Free email and DNS hosting for up to 1,000 users
* [Yandex.Connect](https://connect.yandex.com/pdd/) — Free email and DNS hosting for up to 1,000 users
* [selectel.com](https://selectel.com/services/dns/) — Free DNS hosting, anycast, 10 geo zones
* [cloudns.net](https://www.cloudns.net/) — Free DNS hosting up to 3 domains with unlimited records
* [ns1.com](https://ns1.com/) — Data Driven DNS, automatic traffic management, 1 million free queries
* [ns1.com](https://ns1.com/) — Data Driven DNS, automatic traffic management, 500k free queries
* [zonewatcher.com](https://zonewatcher.com) — Automatic backups and DNS change monitoring. 1 domain free
* [namecheap.com](https://www.namecheap.com/domains/freedns.aspx) — Free DNS. No limit on number of domains
* [namecheap.com](https://www.namecheap.com/domains/freedns/) — Free DNS. No limit on number of domains
* [dynu.com](https://www.dynu.com/) — Free dynamic DNS service
* [noip](https://www.noip.com/) — a dynamic dns service that allows up to 3 hostnames free with confirmation every 30 days
* [freenom.com](https://freenom.com/) — Free domain provider. Get FQDN for free.
* [duckdns.org](http://duckdns.org/) — Free DDNS with up to 5 domains on the free tier. With configuration guides for various setups.
* [duckdns.org](https://www.duckdns.org/) — Free DDNS with up to 5 domains on the free tier. With configuration guides for various setups.
* [1984.is](https://www.1984.is/product/freedns/) — Free DNS service with API, and lots of other free DNS features included.
* [Cloudflare](https://www.cloudflare.com/) - Free DNS. Unlimited number of doamins.
* [Cloudflare](https://www.cloudflare.com/) - Free DNS. Unlimited number of domains.
* [biz.mail.ru](https://biz.mail.ru) — Free email and DNS hosting for up to 5,000 users
* [pointhq.com](https://pointhq.com/developer) — Free DNS hosting on Heroku.
* [dnspod.com](https://www.dnspod.com/) — Free DNS hosting.
* [entrydns.net](https://entrydns.net/) — Free DNS hosting service with Dynamic DNS Support.
* [web.gratisdns.dk](https://web.gratisdns.dk/domaener/dns/) — Free DNS hosting.
* [zoneedit.com](https://www.zoneedit.com/free-dns/) — Free DNS hosting with Dynamic DNS Support.
* [zilore.com](https://zilore.com/ru/dns) — Free DNS hosting.
## IaaS
* [backblaze.com](https://backblaze.com/b2/) — Backblaze B2 cloud storage. Free 10 GB (Amazon S3-like) object storage for unlimited time
* [backblaze.com](https://www.backblaze.com/b2/) — Backblaze B2 cloud storage. Free 10 GB (Amazon S3-like) object storage for unlimited time
* [www.terraform.io](https://www.terraform.io/) - Terraform Cloud. Free remote state management and team collaboration for teams up to 5 users.
## DBaaS
* [ibm.com](https://www.ibm.com/cloud/cloudant) — Hosted database from IBM, 1 GB free
* [redislabs.com](https://redislabs.com/redis-cloud) — Redis as a Service, 30 MB and 30 concurrent connections free
* [redsmin.com](https://redsmin.com/) — Online real-time monitoring and administration service for Redis, 1 Redis instance free
* [redsmin.com](https://www.redsmin.com/) — Online real-time monitoring and administration service for Redis, 1 Redis instance free
* [graphstory.com](https://graphstory.com/) — GraphStory offers Neo4j (a Graph Database) as a service
* [elephantsql.com](https://www.elephantsql.com/) — PostgreSQL as a service, 20 MB free
* [heroku.com](https://www.heroku.com/) — PostgreSQL as a service, up to 10,000 rows and 20 connections free (provided as an "addon," but can be attached to an otherwise empty app and accessed externally)
* [graphenedb.com](https://www.graphenedb.com/) — Neo4j as a service, up to 1,000 nodes and 10,000 relations free
* [MongoDB Atlas](https://www.mongodb.com/cloud/atlas) — free tier gives 512 MB
* [scalingo.com](https://scalingo.com/) — Primarily a PaaS but offers a 512 MB free tier of MySQL, PostgreSQL or MongoDB
* [skyvia.com](https://skyvia.com/) — Cloud Data Platform, offers free tier and all plans are completely free while in beta
* [airtable.com](https://airtable.com/) — Looks like a spreadsheet, but it's a relational database, unlimited bases, 1,200 rows/base and 1,000 API requests/month
* [spreadsheetdb.io](https://www.spreadsheetdb.io) — Database that can be queried with spreadsheets, 3 spreadsheets and 200 rows
free
* [FaunaDB](https://fauna.com/) — FaunaDB is a distributed, multi-model, ACID-compliant, and globally scalable database, free tier gives 5 GB
* [FaunaDB](https://fauna.com/) — Serverless cloud database, with native GraphQL, multi-model access and daily free tiers upto 5GB
## STUN, WebRTC, Web Socket Servers and Other Routers
@ -509,7 +546,7 @@ Table of Contents
* [pivotaltracker.com](https://www.pivotaltracker.com/) — Pivotal Tracker, free for public projects
* [kanbantool.com](https://kanbantool.com/) — Kanban board based project management. Free, paid plans with more options
* [kanbanflow.com](https://kanbanflow.com/) — Board based project management. Free, premium version with more options
* [zenhub.io](https://zenhub.io/) — The only project management solution inside GitHub. Free for public repos, OSS and nonprofit organizations
* [zenhub.io](https://www.zenhub.io/) — The only project management solution inside GitHub. Free for public repos, OSS and nonprofit organizations
* [trello.com](https://trello.com/) — Board based project management. Free
* [clickup.com](https://clickup.com/) — Project management. Free, premium version with cloud storage. Mobile applications and Git integrations available
* [LeanBoard](https://www.leanboard.io) — Collaborative whiteboard with sticky notes for your GitHub issues (Useful for Example Mapping and other techniques)
@ -518,21 +555,21 @@ Table of Contents
* [jetbrains.com](https://www.jetbrains.com/youtrack/buy) — Free hosted YouTrack (InCloud) for FOSS projects, private projects (free for 10 users)
* [github.com](https://github.com/) — In addition to its Git storage facility, GitHub offers basic issue tracking
* [asana.com](https://asana.com/) — Free for private project with collaborators
* [acunote.com](https://acunote.com/) — Free project management and SCRUM software for up to 5 team members
* [gliffy.com](https://gliffy.com/) — Online diagrams: flowchart, UML, wireframe,... Also plugins for Jira and Confluence. 5 diagrams and 2 MB free
* [acunote.com](https://www.acunote.com/) — Free project management and SCRUM software for up to 5 team members
* [gliffy.com](https://www.gliffy.com/) — Online diagrams: flowchart, UML, wireframe,... Also plugins for Jira and Confluence. 5 diagrams and 2 MB free
* [cacoo.com](https://cacoo.com/) — Online diagrams in real-time: flowchart, UML, network. Free max. 15 users/diagram, 25 sheets
* [draw.io](https://www.draw.io/) — Online diagrams stored locally, in Google Drive, OneDrive or Dropbox. Free for all features and storage levels
* [visualstudio.com](https://www.visualstudio.com//products/what-is-visual-studio-online-vs) — Unlimited free private code repositories; Tracks bugs, work items, feedback and more
* [Azure DevOps](https://azure.microsoft.com/services/devops/) — Unlimited free private code repositories; Tracks bugs, work items, feedback and more
* [testlio.com](https://testlio.com/) — Issue tracking, test management and beta testing platform. Free for private use
* [vivifyscrum.com](https://vivifyscrum.com/) — Free tool for Agile project management. Scrum Compatible
* [targetprocess.com](https://targetprocess.com/) — Visual project management, from Kanban and Scrum to almost any operational process. Free for unlimited users, up to 1,000 data entities {[more details](https://www.targetprocess.com/pricing/)}
* [vivifyscrum.com](https://www.vivifyscrum.com/) — Free tool for Agile project management. Scrum Compatible
* [targetprocess.com](https://www.targetprocess.com/) — Visual project management, from Kanban and Scrum to almost any operational process. Free for unlimited users, up to 1,000 data entities {[more details](https://www.targetprocess.com/pricing/)}
* [taskulu.com](https://taskulu.com/) — Role based project management. Free up to 5 users. Integration with GitHub/Trello/Dropbox/Google Drive
* [contriber.com](https://contriber.com/) — Customizable project management platform, free starter plan, 5 workspaces
* [contriber.com](https://www.contriber.com/) — Customizable project management platform, free starter plan, 5 workspaces
* [planitpoker.com](https://www.planitpoker.com/) — Free online planning poker (estimation tool)
* [ubertesters.com](https://ubertesters.com/) — Test platform, integration and crowdtesters, 2 projects, 5 members
* [jetbrains.com](https://www.jetbrains.com/youtrack/buy/#edition=incloud) — search based on time tracking, attachments on Agile Board, and many other improvements. 10 users 5 GB free
* [plan.io](https://plan.io/) — Project Management with Repository Hosting and mor options. Free for 2 users with 10 customers and 500MB Storage
* [taskade.com](https://taskade.com/) — Real-time collaborative task lists and outlines for teams
* [taskade.com](https://www.taskade.com/) — Real-time collaborative task lists and outlines for teams
* [zenkit.com](https://zenkit.com) — Project management and collaboration tool. Free for up to 5 members, 5 GB attachments.
* [Instabug](https://instabug.com) — A comprehensive bug reporting and in-app feedback SDK for mobile apps. Free plan up to 1 app and 1 member.
* [Office 365 Developer](https://developer.microsoft.com/en-us/office/dev-program) — Free one-year Office 365 E3 subscription for development/testing.
@ -543,7 +580,7 @@ Table of Contents
## Storage and Media Processing
* [aerofs.com](https://aerofs.com/) — P2P file syncing, free for up to 30 users
* [redbooth.com](https://redbooth.com) — P2P file syncing, free for up to 2 users
* [cloudinary.com](https://cloudinary.com/) — Image upload, powerful manipulations, storage and delivery for sites and apps, with libraries for Ruby, Python, Java, PHP, Objective-C and more. Perpetual free tier includes 7,500 images/month, 2 GB storage, 5 GB bandwidth
* [gumlet.com](https://www.gumlet.com/) — Image resize-as-a-service. It also optimizes images and performs delivery via CDN. Free tier includes 1 GB bandwidth and unlimited number of image processing every month for 1 year.
* [plot.ly](https://plot.ly/) — Graph and share your data. Free tier includes unlimited public files and 10 private files
@ -554,15 +591,16 @@ Table of Contents
* [placeholder.com](https://placeholder.com/) — A quick and simple image placeholder service
* [placekitten.com](https://placekitten.com/) — A quick and simple service for getting pictures of kittens for use as placeholders
* [embed.ly](https://embed.ly/) — Provides APIs for embedding media in a webpage, responsive image scaling, extracting elements from a webpage. Free for up to 5,000 URLs/month at 15 requests/second
* [otixo.com](https://otixo.com/) — Encrypt, share, copy and move all your cloud storage files from one place. Basic plan provides unlimited files transfer with 250 MB max. file size and allows 5 encrypted files
* [otixo.com](https://www.otixo.com/) — Encrypt, share, copy and move all your cloud storage files from one place. Basic plan provides unlimited files transfer with 250 MB max. file size and allows 5 encrypted files
* [tinypng.com](https://tinypng.com/) — API to compress and resize PNG and JPEG images, offers 500 compressions for free each month
* [filestack.com](https://filestack.com/) — File picker, transform and deliver, free for 250 files, 500 transformations and 3 GB bandwidth
* [filestack.com](https://www.filestack.com/) — File picker, transform and deliver, free for 250 files, 500 transformations and 3 GB bandwidth
* [packagecloud.io](https://packagecloud.io/) — Hosted Package Repositories for YUM, APT, RubyGem and PyPI. Limited free plans, open source plans available via request
* [image-charts.com](https://image-charts.com/) — Unlimited image chart generation with a watermark
* [image-charts.com](https://www.image-charts.com/) — Unlimited image chart generation with a watermark
* [jsonbin.io](https://jsonbin.io/) — Free JSON data storage service, ideal for small-scale web apps, website, mobile apps.
## Design and UI
* [landen.co](https://www.landen.co) — Generate, edit and publish beautiful websites and landing pages for your startup. All without code. Free tier allows you to have one website, fully customizable and published on the web.
* [pixlr.com](https://pixlr.com/) — Free online browser editor on the level of commercial ones
* [imagebin.ca](https://imagebin.ca/) — Pastebin for images
* [cloudconvert.com](https://cloudconvert.com/) — Convert anything to anything. 208 supported formats including videos to gif
@ -572,23 +610,23 @@ Table of Contents
* [walkme.com](https://www.walkme.com/) — Enterprise Class Guidance and Engagement Platform, free plan 3 walk-thrus up to 5 steps/walk
* [marvelapp.com](https://marvelapp.com/) — Design, prototyping and collaboration, free limited for 3 projects
* [Zeplin](https://zeplin.io/) — Designer and developer collaboration platform. Show designs, assets and styleguides. Free for 1 project.
* [figma.com](https://figma.com) — Online, collaborative design tool for teams; free tier includes unlimited files and viewers with a max of 2 editors and 3 projects
* [designer.io](https://designer.io/) — Design tool for UI, illustrations and more. Has a native app. Free
* [figma.com](https://www.figma.com) — Online, collaborative design tool for teams; free tier includes unlimited files and viewers with a max of 2 editors and 3 projects
* [designer.io](https://www.designer.io/) — Design tool for UI, illustrations and more. Has a native app. Free
* [photopea.com](https://www.photopea.com) — A Free, Advanced online design editor with Adobe Photoshop UI supporting PSD, XCF & Sketch formats (Adobe Photoshop, Gimp and Sketch App).
* [pexels.com](https://www.pexels.com/) - Free stock photos for commercial use. Has free API that allows you to search photos by keywords.
* [pexels.com](https://www.pexels.com/) - Free stock photos for commercial use. Has free API that allows you to search photos by keywords.
## Data Visualization on Maps
* [geocoder.opencagedata.com](https://geocoder.opencagedata.com/) — Geocoding API that aggregates OpenStreetMap and other open geo sources. 2,500 free queries/day
* [opencagedata.com](https://opencagedata.com) — Geocoding API that aggregates OpenStreetMap and other open geo sources. 2,500 free queries/day
* [graphhopper.com](https://www.graphhopper.com/) A free package for developers is offered for Routing, Route Optimization, Distance Matrix, Geocoding, Map Matching.
* [datamaps.co](https://datamaps.co/) — a free platform for creating visualizations with data maps
* [geocod.io](https://geocod.io/) — Geocoding via API or CSV Upload. 2,500 free queries/day
* [datamaps.world](https://datamaps.world/) — The simple, yet powerful platform that gives you tools to visualize your geospatial data with a free tier.
* [geocod.io](https://www.geocod.io/) — Geocoding via API or CSV Upload. 2,500 free queries/day
* [gogeo.io](https://gogeo.io/) — Maps and geospatial services with an easy to use API and support for big data
* [carto.com](https://carto.com/) — Create maps and geospatial APIs from your data and public data
* [giscloud.com](https://giscloud.com/) — Visualize, analyze and share geo data online
* [mapbox.com](https://mapbox.com/) — Maps, geospatial services and SDKs for displaying map data
* [giscloud.com](https://www.giscloud.com/) — Visualize, analyze and share geo data online
* [mapbox.com](https://www.mapbox.com/) — Maps, geospatial services and SDKs for displaying map data
* [osmnames](https://osmnames.org/) — Geocoding, search results ranked by the popularity of related Wikipedia page
* [tilehosting](https://www.tilehosting.com/) — Vector maps, map services and SDKs for map visualisation. Free vector tiles with weekly update and four map styles.
* [maptiler.com](https://www.maptiler.com/cloud/) — Vector maps, map services and SDKs for map visualisation. Free vector tiles with weekly update and four map styles.
* [here](https://developer.here.com/) — APIs and SDKs for maps and location-aware apps. 250k transactions/month for free.
## Package Build System
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## IDE and Code Editing
* [codenvy.com](https://codenvy.com/) — IDE and automated developer workspaces in a browser, collaborative, Git/SVN integration, build and run your app in customizable Docker-based runners (free tier includes: 3 GB RAM, ability to run multiple machines simultaneously), pre-integrated deploy to Google Apps
* [visualstudio.com](https://visualstudio.com/community) — Fully-featured IDE with thousands of extensions, cross-platform app development (Microsoft extensions available for download for iOS and Android), desktop, web and cloud development, multi-language support (C#, C++, JavaScript, Python, PHP and more)
* [Visual Studio Community](https://visualstudio.microsoft.com/vs/community/) — Fully-featured IDE with thousands of extensions, cross-platform app development (Microsoft extensions available for download for iOS and Android), desktop, web and cloud development, multi-language support (C#, C++, JavaScript, Python, PHP and more)
* [ide.goorm.io](https://ide.goorm.io) goormIDE is full IDE on cloud. muti-language support, linux-based container via the fully-featured web-based terminal, port forwarding, custom url, real-time collaboration and chat, share link, Git/Subversion support. There are many more features (free tier includes 1GB RAM and 10GB Storage per container, 5 Container slot)
* [cocalc.com](https://cocalc.com/) — (formerly SageMathCloud at cloud.sagemath.com) — Collaborative calculation in the cloud. Browser access to full Ubuntu with built-in collaboration and lots of free software for mathematics, science, data science, preinstalled: Python, LaTeX, Jupyter Notebooks, SageMath, scikitlearn, etc
* [wakatime.com](https://wakatime.com/) — Quantified self-metrics about your coding activity, using text editor plugins, limited plan for free
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* [stackblitz.com](https://stackblitz.com/) — Online VS Code IDE for Angular & React
* [cacher.io](https://www.cacher.io) — Code snippet organizer with labels and support for 100+ programming languages
* [Coder](https://coder.com) — Platform that gives you a whole development environment build around Visual Studio Code. In the free tier you will get 2GB of project and 2 GB of container space as well as 5 hours of Fast Time that dynamically scales your container up if enabled.
* [gitpod.io](https://gitpod.io) — Instant, ready-to-code dev environments for GitHub projects. Free for open-source.
* [gitpod.io](https://www.gitpod.io) — Instant, ready-to-code dev environments for GitHub projects. Free for open-source.
* [Katacoda](https://katacoda.com) — Interactive learning and training platform for software engineers helping developers learn and companies increase adoption.
* [JDoodle](https://www.jdoodle.com) — Online compiler and editor for more than 60 programming languages with a free plan for REST API code compiling up to 200 credits per day.
## Analytics, Events and Statistics
* [analytics.google.com](https://analytics.google.com/) — Google Analytics
* [heapanalytics.com](https://heapanalytics.com/) — Automatically captures every user action in iOS or web apps. Free for up to 5,000 visits/month
* [sematext.com](https://sematext.com//search-analytics) — Free for up to 50 K actions/month, 1 day data retention, unlimited dashboards, users, etc
* [www.heatlyanalytics.com](https://www.heatlyanalytics.com) — Free Heatmap tool to understand UI/UX.
* [heap.io](https://heap.io) — Automatically captures every user action in iOS or web apps. Free for up to 5,000 visits/month
* [sematext.com](https://sematext.com/cloud/) — Free for up to 50 K actions/month, 1 day data retention, unlimited dashboards, users, etc
* [usabilityhub.com](https://usabilityhub.com/) — Test designs and mockups on real people, track visitors. Free for one user, unlimited tests
* [mixpanel.com](https://mixpanel.com/) — Free 25,000 points or 200,000 with their badge on your site
* [amplitude.com](https://amplitude.com/) — 1 million monthly events, up to 2 apps
* [keen.io](https://keen.io/) — Custom Analytics for data collection, analysis and visualization. 50,000 events/month free
* [metrica.yandex.com](https://metrica.yandex.com/) — Unlimited free analytics
* [hotjar.com](https://hotjar.com/) — Per site: 2,000 pages views/day, 3 heatmaps, data stored for 3 months,...
* [hotjar.com](https://www.hotjar.com/) — Per site: 2,000 pages views/day, 3 heatmaps, data stored for 3 months,...
* [imprace.com](https://imprace.com/) — Landing page analysis with suggestions to improve bounce rates. Free 5 landing pages/domain
* [optimizely.com](https://optimizely.com) — A/B Testing solution, free starter plan, 1 website, 1 iOS and 1 Android app
* [expensify.com](https://expensify.com/) — Expense reporting, free personal reporting approval workflow
* [optimizely.com](https://www.optimizely.com) — A/B Testing solution, free starter plan, 1 website, 1 iOS and 1 Android app
* [expensify.com](https://www.expensify.com/) — Expense reporting, free personal reporting approval workflow
* [Moesif](https://www.moesif.com) — API analytics for REST and GraphQL. (Free up to 500,000 API calls/mo)
* [quantcast.com](https://www.quantcast.com/products/measure-audience-insights/) — Unlimited free analytics
## Visitor Session Recording
* [inspectlet.com](https://inspectlet.com/) — 100 sessions/month free for 1 website
* [mousestats.com](https://mousestats.com/) — 100 sessions/month free for 1 website
* [hotjar.com](https://hotjar.com/) — Per site: 2,000 pages views/day, 3 heatmaps, data stored for 3 months,...
* [inspectlet.com](https://www.inspectlet.com/) — 100 sessions/month free for 1 website
* [mousestats.com](https://www.mousestats.com/) — 100 sessions/month free for 1 website
* [hotjar.com](https://www.hotjar.com/) — Per site: 2,000 pages views/day, 3 heatmaps, data stored for 3 months,...
* [usersurge.com](https://www.usersurge.com/) — 250K sessions per month for individuals.
* [smartlook.com](https://www.smartlook.com/) — free packages for web and mobile apps (1500 sessions/month), 3 heatmaps, 1 funnel, 1 month data history
## International Mobile Number Verification API and SDK
* [cognalys.com](https://cognalys.com/) — Freemium mobile number verification through an innovative and reliable method than using SMS gateway. Free 10 tries and 15 verifications/day
* [numverify.com](https://numverify.com/) — Global phone number validation and lookup JSON API. 250 API requests/month
* [veriphone.io](https://veriphone.io/) — Global phone number verification in a free, fast, reliable JSON API. 1000 requests/month
## Payment / Billing Integration
* [braintreepayments.com](https://braintreepayments.com/) — Credit Card, Paypal, Venmo, Bitcoin, Apple Pay,... integration. Single and Recurrent Payments. First USD 50,000 free
* [braintreepayments.com](https://www.braintreepayments.com/) — Credit Card, Paypal, Venmo, Bitcoin, Apple Pay,... integration. Single and Recurrent Payments. First USD 50,000 free
* [currencylayer.com](https://currencylayer.com/) — Reliable Exchange Rates and Currency Conversion for your Business, 1,000 API requests/month free
* [vatlayer.com](https://vatlayer.com/) — Instant VAT number validation and EU VAT rates API, free 100 API requests/month
* [fraudlabspro.com](https://www.fraudlabspro.com) — Help merchants to prevent payment fraud and chargebacks. Free Micro Plan available with 500 queries/month.
* [exchangerate-api.com](https://www.exchangerate-api.com) - An easy to use currency conversion JSON API. Free tier with no request limit.
* [currencystack.io](https://currencystack.io/) — Production-ready real-time exchange rates for 154 currencies.
## Docker Related
* [Docker Hub](https://hub.docker.com) — One free private repository and unlimited public repositories to build and store Docker images
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## Vagrant Related
* [app.vagrantup.com](https://app.vagrantup.com) - HashiCorp Vagrant Cloud. Vagrant box hosting.
* [vagrantbox.es](https://www.vagrantbox.es/) — An alternative public box index
## Miscellaneous
* [apichangelog.com](https://www.apichangelog.com/) — Subscribe to be notified each time API Documentation is updated (Facebook, Twitter, Google,...)
* [docsapp.io](https://www.docsapp.io/) — Easiest way to publish documentation, free for Open Source
* [fullcontact.com](https://fullcontact.com/developer/pricing/) — Help your users know more about their contacts by adding social profile into your app. 500 free Person API matches/month
* [fullcontact.com](https://www.fullcontact.com/developer/pricing/) — Help your users know more about their contacts by adding social profile into your app. 500 free Person API matches/month
* [formlets.com](https://formlets.com/) — Online forms, unlimited single page forms/month, 100 submissions/month, email notifications
* [superfeedr.com](https://superfeedr.com/) — Real-time PubSubHubbub compliant feeds, export, analytics. Free with less customization
* [screenshotlayer.com](https://screenshotlayer.com/) — Capture highly customizable snapshots of any website. Free 100 snapshots/month
* [screenshotmachine.com](https://screenshotmachine.com/) — Capture 100 snapshots/month, png, gif and jpg, including full-length captures, not only home page
* [readme.io](https://readme.io/) — Beautiful documentation made easy, free for Open Source: see [here](https://readme.readme.io/docs/open-source).
* [screenshotmachine.com](https://www.screenshotmachine.com/) — Capture 100 snapshots/month, png, gif and jpg, including full-length captures, not only home page
* [readme.com](https://readme.com/) — Beautiful documentation made easy, free for Open Source: see [here](https://readme.readme.io/docs/open-source).
* [formaholic.com](https://formaholic.com) — Simple form endpoint. Perfect for static sites
* [http2.pro](https://http2.pro) — HTTP/2 protocol readiness test and client HTTP/2 support detection API.
* [Formspree.io](https://formspree.io/) — Send email using an HTTP POST request. Free tier limits to 1000 submissions per month and must expose email address in the API call.
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* [SurveyMonkey.com](https://www.surveymonkey.com) — Create online surveys. Analyze the results online. Free plan allows only 10 questions and 100 responses per survey.
## Other Free Resources
* [github.com — FOSS for Dev](https://github.com/httpsGithubParty/FOSS-for-Dev) — A hub of free and Open Source software for developers
* [github.com — FOSS for Dev](https://github.com/tvvocold/FOSS-for-Dev) — A hub of free and Open Source software for developers
* [getawesomeness](https://getawesomeness.herokuapp.com) — Retrieve all amazing awesomeness from GitHub... a must see
* [education.github.com](https://education.github.com/pack) — Collection of free services for students. Registration required
* [Framacloud](https://degooglisons-internet.org/en/list/) — A list of Free/Libre Open Source Software and SaaS by the French non-profit [Framasoft](https://framasoft.org/en/).