PixelFed is a cloud-based opensource photosharing app. ...more

WP User Frontend is an opensource membership, profile, registration and post-submission plugin for WordPress. ...more

Goteo is a crowd-sourced funding platform. ...more

YakYak is a desktop chat client for Google Hangouts. ...more

blogstrap.py is a simple Blog using web.py and bootstrap3. ...more

App.net was an ad-free online social networking service and microblogging service. ...more

Open Source Social Network (OSSN) is a powerful open source social network. ...more

Tkabber is a GPL instant messaging client for the XMPP protocol which uses the Tk toolkit for the GUI. ...more

Caddy is an HTTP/2 web server with automatic HTTPS. ...more

Lychee is a self-hosted photo-management software. ...more

Hack Chat is a minimal, distraction-free chat application. ...more

FreeSWITCH is a free and open source application server for real-time communication, WebRTC, telecommunications, video and Voice over Internet Protocol (VoIP). ...more

Anchor CMS is a lightweight blogging platform with a focus on simplicity and elegance. ...more

Openfire (Wildfire, Jive Messenger) is an instant messaging (IM) and group chat server that uses XMPP server written in Java. ...more

Shout is a self-hosted web IRC client. ...more

Gallery Server is web-based Digital Asset Management (DAM) and Web Gallery software. ...more

Ricochet uses the Tor network to reach your contacts without relying on messaging servers. ...more

Habari is a free and open source blog engine written in PHP and currently supports MySQL, SQLite and PostgreSQL for the database backend. ...more

LimeChat is an IRC client for Mac OS X. ...more

ejabberd is an XMPP application server, written mainly in the Erlang programming language. ...more

Kliqqi is a open source content management system. ...more

Silence.im is an encrypted text messaging service. ...more

Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds. ...more

Tinfoil for Facebook is an alternative Facebook client that's basically a 'wrapper' for the official page, letting you access Facebook. ...more

kune is a distributed social network software. ...more

MicroSIP is a portable SIP softphone based on the PJSIP stack available for Microsoft Windows. ...more

Chyrp is a ultra-lightweight ultra-flexible blogging engine with a fetish for birds and misspellings. ...more

Zulip is a chat and collaborative software. ...more

QuteCom (WengoPhone) is a free-software SIP-compliant VoIP client. ...more

Coccinella is a free and open-source cross-platform client for the XMPP/Jabber-instant messaging-protocol. ...more