The Leading Open Source Communication Hub | Community Version
Mumble is an open-source, low-latency, high quality voice chat
The game engine for everyone
Distributed messaging and streaming platform with low latency
High performance inter-thread messaging library
The Free & Popular FLARUM Web Software in a Complete Virtual Machine
You can message and share files inside your intranet without a server.
VICIdial Contact Center Suite
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
IrcAppender forwards important log4j messages to an IRC channel
Open-source XMPP client for Android
Low-latency, high quality voice chat for gamers
A set of high-quality WeChat applet UI component library
An example of a simple chat system
Safer Instant Messaging
Web chat software is the basic need to provide online customer support
eAssistance Pro offers to add live chat plugin on website
Chat with your current website customers! Free & Self-Hosted solution.
err is a plugin based chatbot designed to be easily extensible
A Web based XMPP utility to check communication with XMPP server.