Pmwiki is a wiki-based content management system (CMS). ...more

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

BuddyCloud provides tools, libraries and services for secure cloud & on-premise user and group messaging. ...more

Jitsi Meet is an open-source (Apache) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, scalable video conferences. ...more

OpenMeetings is software used for presenting, online training, web conferencing, collaborative whiteboard drawing and document editing, and user desktop sharing. ...more

OpenProject is a web-based project management system for location-independent team collaboration. ...more

CryptPad is the zero knowledge realtime collaborative editor. ...more

Tiki Wiki CMS Groupware or simply Tiki, originally known as TikiWiki, is a free and open source Wiki-based content management system and online office suite written primarily in PHP. ...more

MediaWiki is free and open-source wiki software. ...more

Jitsi (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application. ...more

Let's Chat is a persistent messaging application that runs on Node.js and MongoDB. It's designed to be easily deployable and fits well with small, intimate teams. ...more

Matrix is an open protocol for real-time communication. It is designed to allow users with accounts at one communications service provider to communicate with users of a different service provider via online chat, Voice over IP, and Videotelephony. ...more

Git is a code version control system for keeping track of changes in code. ...more