Openfire - Openfire (formerly Wildfire) is a cross-platform instant messaging (IM) and groupchat server.
Sup! Standup Bot - The complete stand-up and follow-up bot
Prosody - Prosody is a modern flexible communications server for Jabber/XMPP written in Lua.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Rocket.Chat - Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
Hive - Seamless project management and collaboration for your team.