Browse free open source Communications software and projects for Linux below. Use the toggles on the left to filter open source Communications software by OS, license, language, programming language, and project status.
A free and reliable P2P BitTorrent client
You can message and share files inside your intranet without a server.
A universal instant messaging (IM) program
An extremely powerful and configurable BitTorrent client
Document Management System and Content Management System
Psi+ Project — development branch of Psi XMPP client
A multi-protocol & multi-source, cross platform download utility
Open Source Document Management System
Low-latency, high quality voice chat for gamers
Standalone chat system developed in php, mysql and javascript
forma.lms is a Learning Management System (LMS), opensource lms
Cross-platform player and audio manager
Program for filesharing using Direct Connect and ADC protocols
Simple, web-based address & phone book
A fast cross-platform FTP client
Fully customizable web chat created using AJAX.