Browse free open source Chat software and projects for BSD below. Use the toggles on the left to filter open source Chat software by OS, license, language, programming language, and project status.
You can message and share files inside your intranet without a server.
A universal instant messaging (IM) program
Development toolkit for Web Services and XML data bindings for C & C++
Psi+ Project — development branch of Psi XMPP client
Psi IM — Qt-based XMPP client
Low-latency, high quality voice chat for gamers
Standalone chat system developed in php, mysql and javascript
A New Kind of Instant Messaging
VICIdial Contact Center Suite
WhatsApp library for NodeJS that connects through the browser app
Program for filesharing using Direct Connect and ADC protocols
for Adium, Pidgin, Miranda and Telepathy IM Framework
MSN compatible messenger application
Fully customizable web chat created using AJAX.
The original Xivio.com World Server Core
A lightweight, high-performance Internet Relay Chat server
Android Chat SDK ➜ Stream Chat API. UI component libraries for chat