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Merge pull request #469 from Kovah/master

Browse Source 
CMS Section Fixes
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@ -15,19 +15,19 @@ Table of Contents
- [Bookmarks & Link Sharing](#bookmarks--link-sharing)
- [Calendar and Address Books](#calendar-and-address-books)
- [Communication systems](#communication-systems)
- [Custom](#custom)
- [Email](#email)
- [Webmail clients](#webmail-clients)
- [Complete solutions](#complete-solutions)
- [Mail Transfer Agents](#mail-transfer-agents)
- [Mail Delivery Agents](#mail-delivery-agents)
- [Complete solutions](#complete-solutions)
- [Mailing lists](#mailing-lists)
- [Webmail clients](#webmail-clients)
- [IRC](#irc)
- [SIP](#sip)
- [Social Networks and Forums](#social-networks-and-forums)
- [XMPP](#xmpp)
- [XMPP Servers](#xmpp-servers)
- [XMPP Web Clients](#xmpp-web-clients)
- [SIP](#sip)
- [IRC](#irc)
- [Custom](#custom)
- [Social Networks and Forums](#social-networks-and-forums)
- [Content Management Systems (CMS)](#content-management-systems-cms)
- [E-commerce](#e-commerce)
- [Document Archiving](#document-archiving)
@ -86,19 +86,19 @@ Table of Contents
_Web Analytics_
* [AWStats](http://www.awstats.org/) - Generates web, streaming, ftp or mail server statistics graphically.
* [Countly](http://Count.ly) - Real time mobile & web analytics, crash reporting and push notifications platform ([Source Code](https://github.com/countly)) `AGPL` `Javascript`
* [GoAccess](http://goaccess.io/) - Real-time web log analyzer and interactive viewer that runs in a terminal.
* [Open Web Analytics](http://www.openwebanalytics.com/) - Google Analytics and Piwik alternative - `GPL` `PHP`
* [AWStats](http://www.awstats.org/) - Generates web, streaming, ftp or mail server statistics graphically. ([Source Code](https://github.com/eldy/awstats)) `GPLv3` `Perl`
* [Countly](https://count.ly) - Real time mobile & web analytics, crash reporting and push notifications platform ([Source Code](https://github.com/countly)) `AGPL` `Javascript`
* [GoAccess](http://goaccess.io/) - Real-time web log analyzer and interactive viewer that runs in a terminal. ([Source Code](https://github.com/allinurl/goaccess)) `GPLv2` `C`
* [Open Web Analytics](http://www.openwebanalytics.com/) - Google Analytics and Piwik alternative. ([Source Code](https://github.com/padams/Open-Web-Analytics/)) `GPL` `PHP`
* [Piwik](https://piwik.org/) - Leading open-source analytics platform that gives you more than just powerful analytics. ([Source Code](https://github.com/piwik/)) `GPLv3` `PHP`
* [Snowplow](http://snowplowanalytics.com/) - Your own digital nervous system. Have every single event, from your websites, mobile apps, desktop applications and server-side systems, stored in your own data warehouse and available to action in real-time. ([Source Code](https://github.com/snowplow/)) `Apache` `Scala`
* [Snowplow](http://snowplowanalytics.com/) - Have every single event, from your websites, mobile apps, desktop applications and server-side systems, stored in your own data warehouse and available to action in real-time. ([Source Code](https://github.com/snowplow/)) `Apache` `Scala`
* [ThinkUp](https://www.thinkup.com/) - Insights into your social networking activity on Twitter, Facebook, Instagram, and beyond. ([Source Code](https://github.com/ThinkUpLLC/ThinkUp)) `GPL` `PHP`
* [Webalizer](http://www.webalizer.org/) - Fast web server log file analysis. `GPL` `C`
## Automation
* [Alltube](https://github.com/Rudloff/alltube) - A web interface for [youtube-dl](https://github.com/rg3/youtube-dl), a program to download videos and audio from [more than 100 websites](https://rg3.github.io/youtube-dl/supportedsites.html) ([Demo](http://www.alltubedownload.net)) `GPL` `PHP`
* [Alltube](http://www.alltubedownload.net) - A web interface for [youtube-dl](https://github.com/rg3/youtube-dl), a program to download videos and audio from [more than 100 websites](https://rg3.github.io/youtube-dl/supportedsites.html). ([Demo](http://www.alltubedownload.net), [Source Code](https://github.com/Rudloff/alltube)) `GPL` `PHP`
* [AmIUnique](https://amiunique.org/) - Learn how identifiable you are on the Internet (browser fingerprinting tool). ([Source code](https://github.com/DIVERSIFY-project/amiunique) `MIT` `Java`
* [Healthchecks](https://healthchecks.io/) - Django app which listens for pings and sends alerts when pings are late. ([Source Code](https://github.com/healthchecks/healthchecks)) `BSD` `Python`
* [Huginn](https://github.com/cantino/huginn) - Allows you to build agents that monitor and act on your behalf - `MIT` `Ruby`
@ -115,29 +115,29 @@ See also [Static Site Generators](#static-site-generators), [Content Management
* [Anchor CMS](https://anchorcms.com/) - Anchor is a free, lightweight, faster-than-a-bullet, simple blogging system, made for art–directed posts. ([Source Code](https://github.com/anchorcms/anchor-cms)) `GPLv3` `PHP`
* [Antville](https://antville.org) - Antville is a free, open source project aimed at the development of a high performance, feature rich weblog hosting software. ([Source Code](https://github.com/antville/antville)) `Apache` `JavaScript`
* [Blogotext](http://lehollandaisvolant.net/blogotext/en/) - A free blog-engine written in PHP and using SQLite. This offers you both an unmatched simplicity during installation and great performances. ([Source Code](https://github.com/timovn/blogotext)) `MIT` `PHP`
* [Chyrp](https://github.com/chyrp/chyrp) - An extra-awesome, extra-lightweight blog engine `MIT` `PHP`
* [Chyrp](https://github.com/chyrp/chyrp) - An extra-awesome, extra-lightweight blog engine. `MIT` `PHP`
* [Dotclear](http://dotclear.org/) - Take control over your blog! ([Source Code](https://hg.dotclear.org/dotclear)) `GPLv2` `PHP`
* [Ghost](https://ghost.org/) - Just a blogging platform ([Source Code](https://github.com/TryGhost/Ghost)) `MIT` `Nodejs`
* [htmly](https://www.htmly.com/) - Databaseless Blogging Platform (Flat-File Blog) ([Source Code]((https://github.com/danpros/htmly)), [Demo](https://www.htmly.com/demo/)) `GPLv2` `PHP`
* [Known](https://withknown.com/opensource/) - A single website for all your content `Apache` `PHP`
* [Ghost](https://ghost.org/) - Just a blogging platform. ([Source Code](https://github.com/TryGhost/Ghost)) `MIT` `Nodejs`
* [htmly](https://www.htmly.com/) - Databaseless Blogging Platform (Flat-File Blog). ([Source Code]((https://github.com/danpros/htmly)), [Demo](https://www.htmly.com/demo/)) `GPLv2` `PHP`
* [Known](https://withknown.com/) - A single website for all your content. ([Source Code](https://github.com/idno/idno)) `Apache` `PHP`
* [Noddity](http://noddity.com/) - It's a blog, it's a wiki, it's a fast CMS! ([Source Code](https://github.com/TehShrike/noddity)) `WTFPL` `Nodejs`
* [PluXml](http://www.pluxml.org/) - XML-based blog/CMS platform ([Source Code](https://github.com/pluxml/PluXml)) `GPL` `PHP`
* [Wagtail](https://wagtail.io/) - A Django content management system focused on flexibility and user experience ([Source Code](https://github.com/torchbox/wagtail)) `BSD` `Python`
* [PluXml](http://www.pluxml.org/) - XML-based blog/CMS platform. ([Source Code](https://github.com/pluxml/PluXml)) `GPL` `PHP`
* [Wagtail](https://wagtail.io/) - A Django content management system focused on flexibility and user experience. ([Source Code](https://github.com/torchbox/wagtail)) `BSD` `Python`
* [Wordpress](https://wordpress.org/) - Create a beautiful website or blog. ([Source Code](https://github.com/WordPress/WordPress)) `GPLv2`
## Bookmarks & Link Sharing
* [Bookie](https://github.com/bookieio/Bookie) - Python based delicious.com replacement ([Firefox addon](https://github.com/bookieio/bookie-firefox), [Demo](http://bmark.us/), [Documentation](http://docs.bmark.us/)
* [Bookie](https://github.com/bookieio/Bookie) - Python based delicious.com replacement. ([Firefox addon](https://github.com/bookieio/bookie-firefox), [Demo](http://bmark.us/), [Documentation](http://docs.bmark.us/) `unlicensed` `Python`
* [Firefox Accounts Server](https://docs.services.mozilla.com/howtos/run-fxa.html)
* [Firefox Sync Server](https://docs.services.mozilla.com/howtos/run-sync-1.5.html) - Sync Firefox bookmarks, passwords, history, tabs, preferences
* [Lobsters](https://lobste.rs) - Run your own link aggregation site - ([Source Code](https://github.com/jcs/lobsters))
* [Myyna](http://www.myyna.com/) - Open source alternative to Pinterest ([Demo](http://demo.myyna.com/), [Source Code](https://github.com/cubettech/myyna)) `MIT` `Nodejs`
* [No Fuss Bookmarks](http://nofussbm.herokuapp.com/signup.html) - Very simple software and service to store bookmarks especially designed for hackers (that don't need fancy interfaces, but nice API) ([Source Code]( https://github.com/mapio/nofussbm)) `GPLv3` `Python`
* [Pinry](http://getpinry.com/) - The tiling image board system for people who want to save, tag, and share images, videos, and webpages. ([Source Code](https://github.com/pinry/pinry))
* [Scuttle](https://github.com/scronide/scuttle) - Web-based social bookmarking system. Allows multiple users to store, share and tag their favourite links `GPLv2` `PHP`
* [Shaarli](https://github.com/shaarli/Shaarli) - Personal, minimalist, super-fast, no-database bookmarking and link sharing plaform. ([Demo](http://shaarlidemo.tuxfamily.org/Shaarli/) `demo/demo`)
* [unmark](https://github.com/plainmade/unmark) - An open source to do app for links
* [Firefox Sync Server](https://docs.services.mozilla.com/howtos/run-sync-1.5.html) - Sync Firefox bookmarks, passwords, history, tabs, preferences. ([Source Code](https://github.com/mozilla-services/syncserver)) `unlicensed` `Python`
* [Lobsters](https://lobste.rs) - Run your own link aggregation site. ([Source Code](https://github.com/jcs/lobsters))
* [Myyna](http://www.myyna.com/) - Open source alternative to Pinterest. ([Demo](http://demo.myyna.com/), [Source Code](https://github.com/cubettech/myyna)) `MIT` `Nodejs`
* [No Fuss Bookmarks](http://nofussbm.herokuapp.com/signup.html) - Very simple software and service to store bookmarks especially designed for hackers (that don't need fancy interfaces, but nice API). ([Source Code]( https://github.com/mapio/nofussbm)) `GPLv3` `Python`
* [Pinry](http://getpinry.com/) - The tiling image board system for people who want to save, tag, and share images, videos, and webpages. ([Source Code](https://github.com/pinry/pinry)) `BSD` `Python`
* [Scuttle](https://github.com/scronide/scuttle) - Web-based social bookmarking system. Allows multiple users to store, share and tag their favourite links. `GPLv2` `PHP`
* [Shaarli](https://github.com/shaarli/Shaarli) - Personal, minimalist, super-fast, no-database bookmarking and link sharing plaform. ([Demo](http://shaarlidemo.tuxfamily.org/Shaarli/) `demo/demo`) `Zlib` `PHP`
* [unmark](https://unmark.it/) - An open source to do app for links. ([Source Code](https://github.com/plainmade/unmark)) `MIT` `PHP`
## Calendar and Address Books
@ -145,40 +145,69 @@ See also [Static Site Generators](#static-site-generators), [Content Management
Some [Groupware](#groupware) solutions also feature calendar/address book editing and synchronization.
* [AgenDAV](http://agendav.org/) - Multilanguage CalDAV web client with a rich AJAX interface and shared calendars support. [Source Code](https://github.com/adobo/agendav) `GPLv3` `PHP`
* [Baïkal](http://baikal-server.com/) - Lightweight CalDAV+CardDAV server. [Source Code](https://github.com/fruux/Baikal) `GPLv3` `PHP`
* [Baïkal](http://baikal-server.com/) - Lightweight CalDAV+CardDAV server. ([Source Code](https://github.com/fruux/Baikal)) `GPLv3` `PHP`
* [CalendarServer](http://trac.calendarserver.org/) - A standards-compliant server implementing the CalDAV and CardDAV protocols. `Apache` `Python`
* [calypso](http://keithp.com/calypso/) - A python-based CalDAV/CardDAV server
* [DAViCal](http://www.davical.org/) - A server for calendar sharing (CalDAV)
* [Radicale](http://radicale.org/) - A Simple Calendar and Contact Server
* [sabre/dav](http://sabre.io/) - A open source CardDAV, CalDAV and WebDAV server.
* [ownCloud calendar](https://doc.owncloud.org/server/7.0/user_manual/pim/calendar.html) - The ownCloud Calendar app enables you to create and edit events, synchronize to other calendars you might use, and create new, personalized calendars. ([Source Code](https://github.com/owncloud/calendar)) `AGPLv3` `PHP`
* [calypso](http://keithp.com/calypso/) - A python-based CalDAV/CardDAV server. ([Source Code](http://keithp.com/cgi-bin/gitweb.cgi?p=calypso.git;a=tree)) `GPLv3`
* [DAViCal](http://www.davical.org/) - A server for calendar sharing (CalDAV). ([Source Code](https://gitlab.com/davical-project/davical)) `MIT`
* [ownCloud calendar](https://doc.owncloud.org/server/7.0/user_manual/pim/calendar.html) - The ownCloud Calendar app enables you to create and edit events, synchronize to other calendars you might use, and create new, personalized calendars. ([Source Code ownCloud < 9](https://github.com/owncloud/calendar), [Source Code ownCloud 9+](https://github.com/owncloud/calendar-rework)) `AGPLv3` `PHP`
* [Radicale](http://radicale.org/) - A Simple Calendar and Contact Server. ([Source Code](https://github.com/Kozea/Radicale)) `GPLv3` `Python`
* [sabre/dav](http://sabre.io/) - A open source CardDAV, CalDAV and WebDAV server. ([Source Code](https://github.com/fruux/sabre-dav)) `MIT` `PHP`
## Communication systems
### Custom
* [Freenet](https://freenetproject.org/index.html) - Anonymously share files, browse and publish "freesites" (web sites accessible only through Freenet) and chat on forums. ([Source Code](https://github.com/freenet/fred)) `GPLv2` `Java`
* [Friends](http://moose-team.github.io/friends/) - P2P chat powered by the web. ([Source Code](https://github.com/moose-team/friends)) `MIT` `Nodejs`
* [GNUNet](https://gnunet.org/) - Free software framework for decentralized, peer-to-peer networking. ([Source Code](https://gnunet.org/svn/)) `GPLv3` `C/Java`
* [Jitsi Meet](https://jitsi.org/Projects/JitsiMeet) - Jitsi Meet is an OpenSource (MIT) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, scalable video conferences. ([Source Code](https://github.com/jitsi/jitsi-meet)) `MIT ` `JavaScript`
* [Jitsi Video Bridge](https://jitsi.org/Projects/JitsiVideobridge) - WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication. ([Source Code](https://github.com/jitsi/jitsi-videobridge)) `Apache` `Java`
* [Kandan](http://getkandan.com/) – Kandan is an Open Source Alternative to HipChat. ([Source Code](https://github.com/kandanapp/kandan)) `AGPLv3` `Ruby`
* [Lets-Chat](http://sdelements.github.io/lets-chat/) - A self hosted chat suite written in Node. ([Source](https://github.com/sdelements/lets-chat)) `MIT` `JavaScript, NodeJS`
* [Mattermost](http://www.mattermost.org/) - Open-source, on-prem Slack-alternative. It can be integrated with [Gitlab](https://about.gitlab.com/). ([Source Code](https://github.com/mattermost/platform)) `AGPLv3/Apache 2.0` `Go`
* [Mibew](https://mibew.org) - Mibew Messenger is an open-source live support application written in PHP and MySQL. It enables one-on-one chat assistance in real-time directly from your website. ([Demo](https://mibew.org/demo2), [Source Code](https://github.com/Mibew/mibew)) `Apache` `PHP/Javascript`
* [Mumble](http://wiki.mumble.info/wiki/Main_Page) - Low-latency, high quality voice/text chat software. ([Source Code](https://github.com/mumble-voip/mumble)) `BSD` `C++`
* [Mumblecop](https://bitbucket.org/Flandoo/mumblecop) - Stream audio from youtube and soundcloud, simulate dice rolls, or write your own commands with a simple plugin format. `MIT` `Ruby`
* [Node-Chat](https://github.com/IgorAntun/node-chat) - A not-so-basic open-source chat with admin features. `MIT` `Nodejs`
* [RetroShare](http://retroshare.org) - Secured and decentralized communication system. Offers decentralized chat, forums, messaging, file transfer. ([Source Code](https://github.com/RetroShare/RetroShare)) `GPLv2` `С++`
* [Rocket.Chat](https://rocket.chat/) – Teamchat solution similar to Gitter.im or Slack. ([Source Code](https://github.com/RocketChat/Rocket.Chat)) `MIT`
* [Synapse](https://matrix.org/blog/project/synapse/) - A server for [Matrix](https://matrix.org/), an open standard for decentralized persistent communication. ([Source Code](https://github.com/matrix-org/synapse)) `Apache` `Python`
* [Vector](https://matrix.org/blog/project/vector/) - A glossy Matrix web client with an emphasis on performance and usability. ([Source Code](https://github.com/vector-im/vector-web)) `Apache` `Javascript`
* [Matrix Console Web](https://matrix.org/blog/project/matrix-console-web/) - A web client meant to be a showcase of Matrix capabilities, and reference implementation of the Matrix standard. ([Source Code](https://github.com/matrix-org/matrix-angular-sdk)) `Apache` `Javascript`
* [Syndie](https://www.syndie.de) - Syndie is a libre system for operating distributed forums. `CC0` `Java`
* [TextBelt](https://github.com/typpo/textbelt) - An outgoing SMS API that uses carrier-specific gateways to deliver your text messages for free, and without ads. ` ⚠ ` `MIT` `JavaScript`
* [Tox](https://tox.chat/) - A distributed, secure messenger with audio and video chat capabilities. ([Source Code](https://github.com/irungentoo/toxcore)) `GPLv3` `C`
* [Tuber](https://blog.trailofbits.com/2015/12/15/self-hosted-video-chat-with-tuber/) - Peer-to-peer video chat that works. ([Source Code](https://github.com/trailofbits/tubertc)) `MIT` `JavaScript`
* [Zulip](https://zulip.org) - Zulip is a powerful, open source group chat application. ([Source Code](https://github.com/zulip/zulip)) `Apache 2.0/Other` `Python/Django`
### Email
#### Webmail clients
#### Complete solutions
* [Cypht](http://cypht.org/index.html) - A feed reader for your email accounts - `GPL`
* [Mailpile](https://www.mailpile.is/) - Webmail client with search, filtering, encryption features and more ([Source Code](https://github.com/mailpile/Mailpile)) `AGPLv3` `Python`
* [RainLoop](http://www.rainloop.net/) - Simple, modern & fast webmail with IMAP/SMTP Support and multi accounting. ([Demo](http://demo.rainloop.net/), [Source Code](https://github.com/RainLoop/rainloop-webmail)). `AGPLv3` `PHP`
* [Roundcube](https://roundcube.net) - Browser-based IMAP client with an application-like user interface. ([Screenshots](https://roundcube.net/screens/)) ([Source Code](https://github.com/roundcube/roundcubemail/)) `GPLv3` `PHP`
* [SquirrelMail](http://squirrelmail.org) - Another browser-based IMAP client.
* [WebMail Lite](http://www.afterlogic.org/webmail-lite) - Webbased IMAP Mail client ([Source Code](https://github.com/afterlogic/webmail-lite)) `GPLv3` `PHP`
_simple deployment of a mail server, e.g. for inexperienced or impatient admins._
* [hMailServer](https://www.hmailserver.com) - Open source e-mail server for Microsoft Windows. ([Source Code](https://github.com/hmailserver/hmailserver)) `C++`
* [Mailcow](https://mailcow.email/) - Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration. ([Source Code](https://github.com/andryyy/mailcow)) `GPLv2` `PHP/Shell`
* [Mail-in-a-Box](https://mailinabox.email/) - Turns any Ubuntu server into a fully functional mail server with one command. `CC0` `Shell/Other`
* [iRedMail](http://www.iredmail.org/) - Full-featured mail server solution based on Postfix and Dovecot.
* [Citadel](http://www.citadel.org/) - Feature packed, easy, versatile, and powerful mail server, thanks to exclusive "rooms" based architecture. ([Source Code](http://code.citadel.org/?p=citadel.git;a=summary))
* [Modoboa](http://modoboa.org/en/) - Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface. ([Source Code](https://github.com/tonioo/modoboa)) `MIT` `Python`
#### Mail Transfer Agents
_MTAs / SMTP servers_
* [Courier MTA](http://www.courier-mta.org/) - Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services. ([Source Code](http://www.courier-mta.org/repo.html) `GPLv3` `C`
* [Exim](http://www.exim.org/) - Message transfer agent (MTA) developed at the University of Cambridge.
* [Haraka](http://haraka.github.io/) - A high-performance, pluginable SMTP server written in JavaScript.
* [MailCatcher](http://mailcatcher.me/) - Ruby gem that deploys a simply SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development.
* [Maildrop](https://github.com/m242/maildrop) - Disposable email SMTP server, also useful for development.
* [OpenSMTPD](https://opensmtpd.org/) - Secure SMTP server implementation from the OpenBSD project.
* [Postfix](http://www.postfix.org/) - Fast, easy to administer, and secure Sendmail replacement.
* [Qmail](http://cr.yp.to/qmail.html) - Secure Sendmail replacement.
* [Courier MTA](http://www.courier-mta.org/) - Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services. ([Source Code](http://www.courier-mta.org/repo.html)) `GPLv3` `C`
* [Exim](http://www.exim.org/) - Message transfer agent (MTA) developed at the University of Cambridge. `GPL`
* [Haraka](http://haraka.github.io/) - A high-performance, pluginable SMTP server written in JavaScript. ([Source Code](https://github.com/haraka/Haraka)) `MIT` `Javascript`
* [MailCatcher](http://mailcatcher.me/) - Ruby gem that deploys a simply SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development. ([Source Code](https://github.com/sj26/mailcatcher)) `MIT` `Ruby`
* [Maildrop](https://github.com/m242/maildrop) - Disposable email SMTP server, also useful for development. `MIT` `Scala`
* [OpenSMTPD](https://opensmtpd.org/) - Secure SMTP server implementation from the OpenBSD project. `ISC`
* [Postfix](http://www.postfix.org/) - Fast, easy to administer, and secure Sendmail replacement. `IPL` `C`
* [Qmail](http://www.qmail.org/top.html) - Secure Sendmail replacement. `CC0`
* [Sendmail](http://www.sendmail.com/sm/open_source/) - Message transfer agent (MTA).
@ -187,21 +216,10 @@ _MTAs / SMTP servers_
_MDAs - IMAP/POP3 software_
* [Cyrus IMAP/POP3](http://cyrusimap.org/) - Intended to be run on sealed servers, where normal users are not permitted to log in.
* [Dovecot](http://www.dovecot.org/) - IMAP and POP3 server written primarily with security in mind.
* [Dovecot](http://www.dovecot.org/) - IMAP and POP3 server written primarily with security in mind. ([Source Code](https://github.com/dovecot/core)) `MIT / LGPLv2` `C`
* [Piler](http://www.mailpiler.org/wiki/start) - feature rich open source email archiving solution. ([Source Code](https://bitbucket.org/jsuto/piler)) `GPLv3` `C`
#### Complete solutions
_simple deployment of a mail server, e.g. for inexperienced or impatient admins._
* [hMailServer](https://www.hmailserver.com) - Open source e-mail server for Microsoft Windows
* [Mailcow](https://mailcow.email/) - Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration. ([Source Code](https://github.com/andryyy/mailcow)) `GPLv2` `PHP/Shell`
* [Mail-in-a-Box](https://mailinabox.email/) - Turns any Ubuntu server into a fully functional mail server with one command. `Shell/Other` `CC0`
* [iRedMail](http://www.iredmail.org/) - Full-featured mail server solution based on Postfix and Dovecot.
* [Citadel](http://www.citadel.org/) - Feature packed, easy, versatile, and powerful mail server, thanks to exclusive "rooms" based architecture.
* [Modoboa](http://modoboa.org/en/) - Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface. `Python` `MIT`
#### Mailing lists
_Mailing lists servers._
@ -210,39 +228,14 @@ _Mailing lists servers._
* [Sympa](https://www.sympa.org/) - A mailing list manager. `Perl` `GPL`
### XMPP
#### Webmail clients
_[Extensible Messaging and Presence Protocol](https://en.wikipedia.org/wiki/XMPP) software_
#### XMPP Servers
* [ejabberd](https://www.ejabberd.im/) - XMPP instant messaging server. `GPL` `Erlang`
* [Metronome IM](https://lightwitch.org/metronome) - Fork of Prosody IM. `MIT` `Lua`
* [MongooseIM](https://www.erlang-solutions.com/products/mongooseim-massively-scalable-ejabberd-platform) - Fork of ejabberd.
* [Openfire](http://www.igniterealtime.org/projects/openfire/) - Real time collaboration (RTC) server. `Apache` `Java`
* [Prosody IM](http://prosody.im/) - Feature-rich and easy to configure XMPP server. `MIT` `Lua`
* [Tigase](https://projects.tigase.org/projects/tigase-server) - XMPP server implementation in Java.
#### XMPP Web Clients
* [Candy](http://candy-chat.github.io/candy/) - Multi user XMPP client written in Javascript.
* [Converse.js](https://conversejs.org/) - A free and open-source XMPP chat client in your browser ([Source](https://github.com/jcbrand/converse.js)) `MPLv2` `Javascript`
* [Kaiwa](http://getkaiwa.com/) - Web based chat client in the style of common paid alternatives. ([Source Code](https://github.com/digicoop/kaiwa))
* [Kontalk](http://kontalk.org/) – Kontalk is an Open Source Messenger, similiar to WhatsApp (app for android only currently), including end-to-end encryption, server is based on Tigase XMPP Server - ([Source Code](https://github.com/kontalk)) `GPLv3`
* [Lets-Chat](http://sdelements.github.io/lets-chat/) - A self hosted chat suite written in Node.
* [Salut à Toi](http://www.salut-a-toi.org/) - Multipurpose, multi frontend, libre and decentralised communication tool. ([Source Code](http://repos.goffi.org/sat)) `AGPLv3` `Python`
* [Libervia](http://wiki.goffi.org/wiki/Libervia/en) - Web frontend from Salut à Toi ([Source Code](http://repos.goffi.org/libervia)) `AGPLv3` `Python`
### SIP
*[SIP](https://en.wikipedia.org/wiki/Session_Initiation_Protocol) telephony software*
* [Asterisk](http://www.asterisk.org/) - An easy to use but advanced IP PXB system, VoIP gateway and conference server `GPLv2` `C`
* [FreeSWITCH](https://freeswitch.org/) - Scalable open source cross-platform telephony platform ([Source Code](https://freeswitch.org/stash/projects/FS/repos/freeswitch/browse)) `MPLv2` `C`
* [Kamailio](http://www.kamailio.org/w/) - Modular SIP server (registrar/proxy/router/etc) `GPLv2` `C`
* [Ostel](https://dev.guardianproject.info/projects/ostel/wiki/Server_Documentation) - Secure SIP telephony setup with ZRTP encryption `GPLv3` `Ruby`
* [Cypht](http://cypht.org/index.html) - A feed reader for your email accounts. ([Source Code](https://github.com/jasonmunro/hm3)) `GPLv2` `PHP`
* [Mailpile](https://www.mailpile.is/) - Webmail client with search, filtering, encryption features and more. ([Source Code](https://github.com/mailpile/Mailpile)) `AGPLv3` `Python`
* [RainLoop](http://www.rainloop.net/) - Simple, modern & fast webmail with IMAP/SMTP Support and multi accounting. ([Demo](http://demo.rainloop.net/), [Source Code](https://github.com/RainLoop/rainloop-webmail)). `AGPLv3` `PHP`
* [Roundcube](https://roundcube.net) - Browser-based IMAP client with an application-like user interface. ([Screenshots](https://roundcube.net/screens/)) ([Source Code](https://github.com/roundcube/roundcubemail/)) `GPLv3` `PHP`
* [SquirrelMail](http://squirrelmail.org) - Another browser-based IMAP client. ([Source Code](https://sourceforge.net/p/squirrelmail/code/HEAD/tree/)) `GPLv2` `PHP`
* [WebMail Lite](http://www.afterlogic.org/webmail-lite) - Web-based IMAP Mail client. ([Source Code](https://github.com/afterlogic/webmail-lite)) `GPLv3` `PHP`
### IRC
@ -254,65 +247,73 @@ _[Extensible Messaging and Presence Protocol](https://en.wikipedia.org/wiki/XMPP
* [Quassel IRC](http://quassel-irc.org/) - distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core. ([Source Code](https://github.com/quassel/quassel)) `GPLv2` `C++`
* [Shout](http://shout-irc.com/) - The self-hosted web IRC client. ([Demo](http://demo.shout-irc.com/), [Source Code](https://github.com/erming/shout)) `MIT` `Nodejs`
* [Weechat](https://weechat.org/) - A fast, light and extensible chat client. `GPLv3` `C`
* [ZNC](http://wiki.znc.in/ZNC) - An advanced IRC bouncer. `Apache` `C++`
* [ZNC](http://wiki.znc.in/ZNC) - An advanced IRC bouncer. ([Source Code](https://github.com/znc/znc)) `Apache` `C++`
### Custom
### SIP
* [Freenet](https://freenetproject.org/index.html) - Anonymously share files, browse and publish "freesites" (web sites accessible only through Freenet) and chat on forums ([Source Code](https://github.com/freenet/fred)) `GPLv2` `Java`
* [Friends](http://moose-team.github.io/friends/) - P2P chat powered by the web. ([Source Code](https://github.com/moose-team/friends)) `MIT` `Nodejs`
* [GNUNet](https://gnunet.org/) - Free software framework for decentralized, peer-to-peer networking `GPLv3` `C/Java`
* [Jitsi Meet](https://jitsi.org/Projects/JitsiMeet) - Jitsi Meet is an OpenSource (MIT) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, scalable video conferences. `MIT ` `JavaScript`
* [Jitsi Video Bridge](https://jitsi.org/Projects/JitsiVideobridge) - WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication. `Apache` `Java`
* [Kandan](http://getkandan.com/) – Kandan is an Open Source Alternative to HipChat. - `AGPL`
* [Let's Chat](https://sdelements.github.io/lets-chat/) - A persistent messaging application that runs on Node.js and MongoDB. `MIT` `Nodejs`
* [Mattermost](http://www.mattermost.org/) - Open-source, on-prem Slack-alternative. It can be integrated with [Gitlab](https://about.gitlab.com/). ([Source Code](https://github.com/mattermost/platform)) `AGPLv3/Apache 2.0` `Go`
* [Mibew](https://mibew.org) - Mibew Messenger is an open-source live support application written in PHP and MySQL. It enables one-on-one chat assistance in real-time directly from your website. ([Demo](https://mibew.org/demo2), [Source Code](https://github.com/Mibew/mibew)) `Apache` `PHP/Javascript`
* [Mumble](http://wiki.mumble.info/wiki/Main_Page) - Low-latency, high quality voice/text chat software `BSD` `C++`
* [Mumblecop](https://bitbucket.org/Flandoo/mumblecop) - Stream audio from youtube and soundcloud, simulate dice rolls, or write your own commands with a simple plugin format. `MIT` `Ruby`
* [Node-Chat](https://github.com/IgorAntun/node-chat) - A not-so-basic open-source chat with admin features. - `MIT` `Nodejs`
* [RetroShare](http://retroshare.org) - Secured and decentralized communication system. Offers decentralized chat, forums, messaging, file transfer. ([Source Code](https://github.com/RetroShare/RetroShare)) `GPLv2` `С++`
* [Rocket.Chat](https://rocket.chat/) – Teamchat solution similar to Gitter.im or Slack - `MIT`
* [Synapse](https://matrix.org/blog/project/synapse/) - A server for [Matrix](https://matrix.org/), an open standard for decentralized persistent communication ([Source Code](https://github.com/matrix-org/synapse)) `Apache` `Python`
* [Vector](https://matrix.org/blog/project/vector/) - A glossy Matrix web client with an emphasis on performance and usability ([Source Code](https://github.com/vector-im/vector-web)) `Apache` `Javascript`
* [Matrix Console Web](https://matrix.org/blog/project/matrix-console-web/) - A web client meant to be a showcase of Matrix capabilities, and reference implementation of the Matrix standard ([Source Code](https://github.com/matrix-org/matrix-angular-sdk)) `Apache` `Javascript`
* [Syndie](https://www.syndie.de) - Syndie is a libre system for operating distributed forums. `Public Domain` `Java`
* [TextBelt](https://github.com/typpo/textbelt) - An outgoing SMS API that uses carrier-specific gateways to deliver your text messages for free, and without ads. ` ⚠ ` `MIT` `JavaScript`
* [Tox](https://tox.chat/) - A distributed, secure messenger with audio and video chat capabilities. `GPLv3` `C`
* [Tuber](https://blog.trailofbits.com/2015/12/15/self-hosted-video-chat-with-tuber/) - Peer-to-peer video chat that works. ([Source Code](https://github.com/trailofbits/tubertc)) `MIT` `JavaScript`
* [Zulip](https://zulip.org) - Zulip is a powerful, open source group chat application. ([Source Code](https://github.com/zulip/zulip))`Apache 2.0/Other` `Python/Django`
*[SIP](https://en.wikipedia.org/wiki/Session_Initiation_Protocol) telephony software*
* [Asterisk](http://www.asterisk.org/) - An easy to use but advanced IP PXB system, VoIP gateway and conference server `GPLv2` `C`
* [FreeSWITCH](https://freeswitch.org/) - Scalable open source cross-platform telephony platform ([Source Code](https://freeswitch.org/stash/projects/FS/repos/freeswitch/browse)) `MPLv2` `C`
* [Kamailio](http://www.kamailio.org/w/) - Modular SIP server (registrar/proxy/router/etc) ([Source Code](https://github.com/kamailio/kamailio)) `GPLv2` `C`
* [Ostel](https://dev.guardianproject.info/projects/ostel/wiki/Server_Documentation) - Secure SIP telephony setup with ZRTP encryption `GPLv3` `Ruby`
### Social Networks and Forums
* [Anahita](https://www.getanahita.com/) - Open Source Social Networking Framework & Platform. ([Source Code](https://github.com/anahitasocial) `GPLv3` `PHP`
* [Bootcamp](http://trybootcamp.vitorfs.com) - An enterprise social network - [Source Code](https://github.com/vitorfs/bootcamp)
* [Anahita](https://www.getanahita.com/) - Open Source Social Networking Framework & Platform. ([Source Code](https://github.com/anahitasocial)) `GPLv3` `PHP`
* [Bootcamp](http://trybootcamp.vitorfs.com) - An enterprise social network. ([Source Code](https://github.com/vitorfs/bootcamp)) `MIT` `Python`
* [Buddycloud](http://buddycloud.com/) - Tools, libraries, services and a community to build user-to-user, group and social messaging into your app. Saves time. Scales up. Supports you. ([Source Code](https://github.com/buddycloud)) `Apache 2.0` `Java/Javascript`
* [BuddyPress](https://buddypress.org/about/) - A powerful plugin that takes your WordPress.org powered site beyond the blog with social-network features like user profiles, activity streams, user groups, and more.
* [BuddyPress](https://buddypress.org/about/) - A powerful plugin that takes your WordPress.org powered site beyond the blog with social-network features like user profiles, activity streams, user groups, and more. ([Source Code](https://buddypress.svn.wordpress.org/trunk/)) `GPLv2` `PHP`
* [diaspora*](https://diasporafoundation.org/) - Distributed social networking server. ([Demo](http://podupti.me/random.php), [Source Code](https://github.com/diaspora/diaspora)) `AGPLv3` `Ruby`
* [Discourse](http://www.discourse.org/) - Advanced forum / community solution based on Ruby and JS - `GPLv2`
* [Elgg](https://elgg.org/) - A powerful open source social networking engine - `GPLv2`
* [Discourse](http://www.discourse.org/) - Advanced forum / community solution based on Ruby and JS. ([Source Code](https://github.com/discourse/discourse)) `GPLv2` `Ruby`
* [Elgg](https://elgg.org/) - A powerful open source social networking engine. ([Source Code](https://github.com/Elgg/Elgg)) `GPLv2` `PHP`
* [Flarum](http://flarum.org) - Delightfully simple forums. Flarum is the next-generation forum software that makes online discussion fun again. ([Source Code](https://github.com/flarum/flarum)) `MIT` `PHP`
* [FluxBB](http://fluxbb.org/) - Fast, light, user-friendly forum software for your website. ([Source Code](https://github.com/fluxbb/fluxbb)) `GPLv2` `PHP`
* [Friendica](http://friendica.com/) - Social Communication Server ([Source Code](https://github.com/friendica/friendica)) `AGPLv3`
* [Gnu Social](https://gnu.io/social/) - Social communication software for both public and private communications
* [Hubzilla](https://github.com/redmatrix/hubzilla) - Independent general-purpose websites that not only connect with their associated members and viewers, but also connect together `MIT` `PHP`
* [HumHub](https://www.humhub.org/) - A flexible kit for private social networks ([Source Code](https://github.com/humhub/humhub)) `AGPLv3` `PHP`
* [Isso](http://posativ.org/isso/) - A lightweight commenting server written in Python and JavaScript. It aims to be a drop-in replacement for Disqus ([Source Code](https://github.com/posativ/isso)) `MIT` `Python`
* [Jappix](https://jappix.com/) - Jappix is an open social platform, that let's you easily get or keep in touch with everyone.
* [Friendica](http://friendica.com/) - Social Communication Server. ([Source Code](https://github.com/friendica/friendica)) `AGPLv3`
* [Gnu Social](https://gnu.io/social/) - Social communication software for both public and private communications. ([Source Code](https://git.gnu.io/gnu/gnu-social)) `AGPLv3` `PHP`
* [Hubzilla](https://github.com/redmatrix/hubzilla) - Independent general-purpose websites that not only connect with their associated members and viewers, but also connect together. `MIT` `PHP`
* [HumHub](https://www.humhub.org/) - A flexible kit for private social networks. ([Source Code](https://github.com/humhub/humhub)) `AGPLv3` `PHP`
* [Isso](http://posativ.org/isso/) - A lightweight commenting server written in Python and JavaScript. It aims to be a drop-in replacement for Disqus. ([Source Code](https://github.com/posativ/isso)) `MIT` `Python`
* [Jappix](https://jappix.com/) - Jappix is an open social platform, that let's you easily get or keep in touch with everyone. ([Source Code](https://github.com/jappix/jappix)) `AGPLv3`
* [Loomio](https://www.loomio.org/) - Loomio is a collaborative decision-making tool that makes it easy for anyone to participate in decisions which affect them. ([Source Code](https://github.com/loomio/loomio)) `AGPLv3` `Ruby`
* [Movim](https://movim.eu/) - A brand new social network, full of awesome features in a modern and smart interface
* [Movim](https://movim.eu/) - A brand new social network, full of awesome features in a modern and smart interface. ([Source Code](https://github.com/movim/movim)) `AGPLv3` `PHP`
* [MyBB](http://www.mybb.com/) - Free, extensible forum software package. ([Source Code](https://github.com/mybb/mybb)) `LGPLv3` `PHP`
* [Newebe](http://newebe.org/) - A Distributed Social Network. ([Source Code](https://github.com/gelnior/newebe)) `AGPLv3` `Python`
* [NodeBB](https://nodebb.org/) - Node.js based forum software built for the modern web. ([Source Code](https://github.com/NodeBB/NodeBB)) `GPLv3` `Nodejs`
* [Oxwall](http://www.oxwall.org/) Oxwall is used for a wide range of projects starting from family sites and custom social networks to collaboration tools and enterprise community solutions. ([Source Code](https://bitbucket.org/oxwall/public) `CPALv1` `PHP`
* [phpBB](https://www.phpbb.com/) - Flat-forum bulletin board software solution that can be used to stay in touch with a group of people or can power your entire website. `GPLv2` `PHP`
* [phpBB](https://www.phpbb.com/) - Flat-forum bulletin board software solution that can be used to stay in touch with a group of people or can power your entire website. ([Source Code](https://github.com/phpbb/phpbb)) `GPLv2` `PHP`
* [PPnet](https://github.com/pixelpark/ppnet) Create and host your own social network. `MIT` `JavaScript`
* [Pump.io](http://pump.io/) - Stream server that does most of what people really want from a social network ([Source Code](https://github.com/e14n/pump.io))
* [Pump.io](http://pump.io/) - Stream server that does most of what people really want from a social network. ([Source Code](https://github.com/e14n/pump.io)) `Apache` `JavaScript, NodeJS`
* [Reddit](https://www.reddit.com/) - Social networking and news website where registered community members can submit content. ([Demo](https://www.reddit.com/) [Source Code](https://github.com/reddit/reddit)) `CPALv1` `Python`
* [RedMatrix](http://www.redmatrix.me/) - Complete decentralised publishing, sharing, and communications system ([Source Code](https://github.com/redmatrix/redmatrix))
* [twister](http://twister.net.co/) - P2P microblogging platform
* [Vanilla Forums](https://vanillaforums.org/) - Simple and flexible forum software ([Source Code](https://github.com/vanilla/vanilla)) `GPLv2` `PHP`
* [RedMatrix](https://github.com/redmatrix/redmatrix) - Complete decentralised publishing, sharing, and communications system. `MIT` `PHP`
* [twister](http://twister.net.co/) - P2P microblogging platform. ([Source Code](https://github.com/miguelfreitas/twister-core)) `GPLv2` `PHP`
* [Vanilla Forums](https://vanillaforums.org/) - Simple and flexible forum software. ([Source Code](https://github.com/vanilla/vanilla)) `GPLv2` `PHP`
### XMPP
_[Extensible Messaging and Presence Protocol](https://en.wikipedia.org/wiki/XMPP) software_
#### XMPP Servers
* [ejabberd](https://www.ejabberd.im/) - XMPP instant messaging server. ([Source](https://github.com/processone/ejabberd)) `GPL` `Erlang`
* [Metronome IM](https://lightwitch.org/metronome) - Fork of Prosody IM. ([Source](http://code.lightwitch.org/)) `MIT` `Lua`
* [MongooseIM](https://www.erlang-solutions.com/products/mongooseim.html) - Fork of ejabberd. ([Source](https://github.com/esl/MongooseIM)) `MIT` `Erlang`
* [Openfire](http://www.igniterealtime.org/projects/openfire/) - Real time collaboration (RTC) server. ([Source](https://github.com/igniterealtime/Openfire)) `Apache` `Java`
* [Prosody IM](http://prosody.im/) - Feature-rich and easy to configure XMPP server. ([Source](http://hg.prosody.im/)) `MIT` `Lua`
* [Tigase](http://www.tigase.net/content/tigase-xmpp-server) - XMPP server implementation in Java. `Java`
#### XMPP Web Clients
* [Candy](http://candy-chat.github.io/candy/) - Multi user XMPP client written in Javascript. ([Source](https://github.com/candy-chat/candy)) `MIT` `JavaScript`
* [Converse.js](https://conversejs.org/) - A free and open-source XMPP chat client in your browser ([Source](https://github.com/jcbrand/converse.js)) `MPLv2` `Javascript`
* [Kaiwa](http://getkaiwa.com/) - Web based chat client in the style of common paid alternatives. ([Source Code](https://github.com/digicoop/kaiwa)) `MIT` `Javascript, NodeJS`
* [Kontalk](http://kontalk.org/) – Kontalk is an Open Source Messenger, similiar to WhatsApp (app for android only currently), including end-to-end encryption, server is based on Tigase XMPP Server - ([Source Code](https://github.com/kontalk)) `GPLv3`
* [Salut à Toi](http://www.salut-a-toi.org/) - Multipurpose, multi frontend, libre and decentralised communication tool. ([Source Code](http://repos.goffi.org/sat)) `AGPLv3` `Python`
* [Libervia](http://wiki.goffi.org/wiki/Libervia/en) - Web frontend from Salut à Toi ([Source Code](http://repos.goffi.org/libervia)) `AGPLv3` `Python`
## Content Management Systems (CMS)
@ -320,28 +321,28 @@ _[Extensible Messaging and Presence Protocol](https://en.wikipedia.org/wiki/XMPP
CMS are a practical way to setup a website with many features. CMS often come with third party plugins, themes and functionality that is easy to add and customize to your needs. See also [Blogging Platforms](#blogging-platforms) and [Static Site Generators](#static-site-generators)
* [99ko CMS](http://www.99ko.org/) - 99ko allows you to create a website in minutes without knowledge of Web development. It does not use a database server but relies on simple text files (JSON format) to store your data. ([Source Code](https://github.com/99ko-project/99ko-cms))
* [Apostrophe 2](http://apostrophenow.org/) - A node.js CMS with a focus on extensible in-context editing tools ([Demo](http://demo.apostrophenow.com/), [Source Code](https://github.com/punkave/apostrophe)) `MIT` `Nodejs`
* [Baun](http://bauncms.com/) - A modern, lightweight, extensible CMS for PHP - ([Source Code](https://github.com/BaunCMS/Baun)) `MIT`
* [BigTree CMS](https://www.bigtreecms.org/) - Straightforward, well documented, and capable written with PHP and MySQL ([Source Code](https://github.com/bigtreecms/BigTree-CMS)) `LGPL`
* [Bolt](https://bolt.cm/) - Sophisticated, lightweight & simple CMS ([Source Code](https://github.com/bolt/bolt))
* [CMS Made Simple](http://www.cmsmadesimple.org/) - Open source content management system, faster and easier management of website contents, scalable for small businesses to large corporations. `GPL`
* [Concrete 5 CMS](http://www.concrete5.org/) - An open source content management system `MIT`
* [Drupal](https://www.drupal.org/) - Advanced open source content management platform `GPL`
* [Gazelle](https://github.com/WhatCD/Gazelle) - Gazelle is a web framework geared towards private BitTorrent trackers. Although naturally focusing on music, it can be modified for most needs. `PHP`
* [Grav](https://getgrav.org/) - Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS ([Source Code](https://github.com/getgrav/grav)) `MIT` `PHP`
* [Apostrophe 2](http://apostrophenow.org/) - A node.js CMS with a focus on extensible in-context editing tools. ([Demo](http://demo.apostrophenow.com/), [Source Code](https://github.com/punkave/apostrophe)) `MIT` `NodeJS`
* [Baun](http://bauncms.com/) - A modern, lightweight, extensible CMS for PHP. ([Source Code](https://github.com/BaunCMS/Baun)) `MIT` `PHP`
* [BigTree CMS](https://www.bigtreecms.org/) - Straightforward, well documented, and capable written with PHP and MySQL. ([Source Code](https://github.com/bigtreecms/BigTree-CMS)) `LGPL` `PHP`
* [Bolt](https://bolt.cm/) - Sophisticated, lightweight & simple CMS. ([Source Code](https://github.com/bolt/bolt)) `MIT` `PHP`
* [CMS Made Simple](http://www.cmsmadesimple.org/) - Open source content management system, faster and easier management of website contents, scalable for small businesses to large corporations. ([Source Code](http://svn.cmsmadesimple.org/svn/cmsmadesimple/trunk/)) `GPL` `PHP`
* [Concrete 5 CMS](http://www.concrete5.org/) - An open source content management system. ([Source Code](https://github.com/concrete5/concrete5)) `MIT` `PHP`
* [Drupal](https://www.drupal.org/) - Advanced open source content management platform. ([Source Code](http://cgit.drupalcode.org/drupal)) `GPL` `PHP`
* [Gazelle](https://github.com/WhatCD/Gazelle) - Gazelle is a web framework geared towards private BitTorrent trackers. Although naturally focusing on music, it can be modified for most needs. `unlicensed` `PHP`
* [Grav](https://getgrav.org/) - Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. ([Source Code](https://github.com/getgrav/grav)) `MIT` `PHP`
* [GetSimple CMS](http://get-simple.info/) - The Simplest Content Management System. Ever. `GPLv3`
* [ImpressPages CMS](https://www.impresspages.org/) - Easy code meets easy admin. ([Demo](https://www.impresspages.org/demo), [Source Code](https://github.com/impresspages/ImpressPages)) `GPLv3`/`MIT` `PHP`
* [Joomla!](http://www.joomla.fr/) - Advanced Content Management System (CMS) `GPL`
* [KeystoneJS](http://keystonejs.com/) - Node.js CMS & Web Application Platform ([Demo](http://demo.keystonejs.com/), [Source Code](https://github.com/keystonejs/keystone)) `MIT` `Nodejs`
* [Joomla!](https://www.joomla.org/) - Advanced Content Management System (CMS). ([Source Code](http://joomlacode.org/gf/project/joomla/scmsvn/)) `GPL` `PHP`
* [KeystoneJS](http://keystonejs.com/) - Node.js CMS & Web Application Platform. ([Demo](http://demo.keystonejs.com/), [Source Code](https://github.com/keystonejs/keystone)) `MIT` `NodeJS`
* [MODX](http://modx.com/) - MODX is an advanced content management and publishing platform. The current version is called 'Revolution'. ([Source Code](https://github.com/modxcms/revolution)) `GPLv2` `PHP`
* [Neos](https://www.neos.io) - Neos or TYPO3 Neos (for version 1) is a modern, open source CMS based on the Flow framework. ([Source Code](https://git.typo3.org/Packages/TYPO3.Neos.git)) `GPLv3` `PHP`
* [october](http://octobercms.com/) - Free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. ([Source Code](https://github.com/octobercms/october)) `MIT`
* [Pagekit](https://pagekit.com/) - A new modern CMS to create and share ([Source Code](https://github.com/pagekit/pagekit)) `MIT`
* [Pico](http://picocms.org/) - A stupidly simple, blazing fast, flat file CMS. ([Source Code](https://github.com/picocms/Pico)) `MIT`
* [Pimcore](https://www.pimcore.org/) - Multi-Channel Experience and Engagement Management Platform ([Source Code](https://github.com/pimcore/pimcore)) `BSD` `PHP`
* [Plone](https://plone.org/) - Powerful open-source CMS system ([Source Code](https://github.com/plone)) `Python` `Zope`
* [october](http://octobercms.com/) - Free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. ([Source Code](https://github.com/octobercms/october)) `MIT` `PHP`
* [Pagekit](https://pagekit.com/) - A new modern CMS to create and share. ([Source Code](https://github.com/pagekit/pagekit)) `MIT` `PHP`
* [Pico](http://picocms.org/) - A stupidly simple, blazing fast, flat file CMS. ([Source Code](https://github.com/picocms/Pico)) `MIT` `PHP`
* [Pimcore](https://www.pimcore.org/) - Multi-Channel Experience and Engagement Management Platform. ([Source Code](https://github.com/pimcore/pimcore)) `BSD` `PHP`
* [Plone](https://plone.org/) - Powerful open-source CMS system. ([Source Code](https://github.com/plone)) `Zope` `Python`
* [Publify](http://publify.co/) - A simple but full featured web publishing software. ([Demo](http://demo.publify.co/), [Source Code](https://github.com/publify/publify)) `MIT` `Ruby`
* [Redaxscript](http:/redaxscript.com) - Ultra lightweight CMS for MySQL, SQLite and PostgreSQL ([Demo](http://demo.redaxscript.com/demo/login), [Source Code](https://github.com/redaxmedia/redaxscript)) `GPLv3` `PHP`
* [Redaxscript](http:/redaxscript.com) - Ultra lightweight CMS for MySQL, SQLite and PostgreSQL. ([Demo](http://demo.redaxscript.com/demo/login), [Source Code](https://github.com/redaxmedia/redaxscript)) `GPLv3` `PHP`
* [SilverStripe](https://www.silverstripe.org) - Easy to use CMS with powerful MVC framework underlying. ([Demo](http://demo.silverstripe.org/), [Source Code](https://github.com/silverstripe)) `BSD` `PHP`
* [Sphido](http://www.sphido.org/) - A fast, lightweight, flat file CMS for PHP. ([Source Code](https://github.com/sphido/cms)) `MIT` `PHP`
* [SPIP](http://www.spip.net/fr) - Publication system for the Internet aimed at collaborative work, multilingual environments, and simplicity of use for web authors. ([Source Code](https://core.spip.net/projects/spip/repository)) `GPLv2` `PHP`
@ -351,7 +352,7 @@ CMS are a practical way to setup a website with many features. CMS often come wi
_Recipe management_
* [OpenEats](http://www.openeats.org/) - A recipe management site that allows users to create, store, share and rate recipes, create grocery lists, and more. ([Source Code](https://github.com/qgriffith/OpenEats) `Python/Django` `BSD`
* [OpenEats](http://www.openeats.org/) - A recipe management site that allows users to create, store, share and rate recipes, create grocery lists, and more. ([Source Code](https://github.com/qgriffith/OpenEats)) `BSD` `Python/Django`
### E-commerce
@ -377,12 +378,12 @@ _Recipe management_
## Federated Identity/Authentication
* [FreeRADIUS](http://freeradius.org/) - High performance and highly configurable multi-protocol policy/authentication server, supporting RADIUS, DHCPv4 and VMPS ([Source Code](https://github.com/FreeRADIUS/freeradius-server)) `GPLv2` `C`
* [daloRADIUS](http://www.daloradius.com) - Open-source web management platform for FreeRADIUS-based deployments ([Source Code](https://github.com/lirantal/daloradius)) `GPLv2`
* [IndieAuth](https://indieauth.com) - Sign in with your domain name (using the [rel-me-auth](http://microformats.org/wiki/relmeauth) protocol) `Apache` `Ruby`
* [FreeRADIUS](http://freeradius.org/) - High performance and highly configurable multi-protocol policy/authentication server, supporting RADIUS, DHCPv4 and VMPS. ([Source Code](https://github.com/FreeRADIUS/freeradius-server)) `GPLv2` `C`
* [daloRADIUS](http://www.daloradius.com) - Open-source web management platform for FreeRADIUS-based deployments. ([Source Code](https://github.com/lirantal/daloradius)) `GPLv2`
* [IndieAuth](https://indieauth.com) - Sign in with your domain name (using the [rel-me-auth](http://microformats.org/wiki/relmeauth) protocol). `Apache` `Ruby`
* [Libravatar](https://www.libravatar.org/) - Libravatar is a service which delivers your avatar (profile picture) to other websites. ([Demo](https://www.libravatar.org/account/new/), [Source Code](https://github.com/libravatar/libravatar)) `AGPLv3` `Python`
* [OpenCA OCSPD](https://pki.openca.org/projects/ocspd/) - [OCSP](https://en.wikipedia.org/wiki/Online_Certificate_Status_Protocol) Responder
* [OpenID/OpenID Connect](http://openid.net/developers/libraries/)
* [OpenCA OCSPD](https://pki.openca.org/projects/ocspd/) - An [OCSP](https://en.wikipedia.org/wiki/Online_Certificate_Status_Protocol) Responder.
* [OpenID/OpenID Connect](http://openid.net/developers/libraries/) - A Simple Identity layer on top of OAuth 2.0
* [OSIAM](https://www.osiam.org) - Open Source Identity and Access Management implementing OAuth 2.0 and SCIMv2. ([Source Code](https://github.com/osiam/osiam)) `MIT` `Java`
@ -861,12 +862,14 @@ See also [Documentation Generators](#documentation-generators), [Wikimatrix](htt
* `Apache` - [Apache, Version 2.0](http://www.apache.org/licenses/)
* `ARTv2` - [Artistic License Version 2.0](http://opensource.org/licenses/Artistic-2.0)
* `BSD` - [FreeBSD License](https://www.freebsd.org/copyright/license.html)
* `CC0` - [Public Domain](https://creativecommons.org/about/cc0/)
* `CeCILL-B` - [CEA CNRS INRIA Logiciel Libre](http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.txt)
* `CPALv1` - [Common Public Attribution License Version 1.0](http://opensource.org/licenses/CPAL-1.0)
* `ECLv2` - [Educational Community License, Version 2.0 ](http://opensource.org/licenses/ECL-2.0)
* `GPL` - [GNU General Public License](https://www.gnu.org/licenses/gpl-1.0)
* `GPLv2` - [GNU General Public License 2.0](https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html)
* `GPLv3` - [GNU General Public License 3.0](http://www.gnu.org/licenses/gpl-3.0.en.html)
* `IPL` - [IBM Public License](https://opensource.org/licenses/IPL-1.0)
* `ISC` - [Internet Software Consortium License](https://www.isc.org/downloads/software-support-policy/isc-license/)
* `LGPLv2.1` - [Lesser General Public License 2.1](http://opensource.org/licenses/LGPL-2.1)
* `LGPLv3` - [Lesser General Public License 3.0](http://opensource.org/licenses/LGPL-3.0)