Browse free open source Communications software and projects for Mac 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
An extremely powerful and configurable BitTorrent client
A universal instant messaging (IM) program
Document Management System and Content Management System
An intranet chat application that does not require a server.
A free course management system (CMS) to create online learning sites
Psi IM — Qt-based XMPP client
Unified Communications Server
The best free media player for video and DVDs
Real time satellite tracking and orbit prediction
Open Source Document Management System
Low-latency, high quality voice chat for gamers
Powerful Open Source Email Marketing app with analytics & segmentation
A GTK+ Gnutella client, optimized for speed and scalability
Qt based GUI tool designed to create and edit .torrent files
An intuitive, multi-language and cross-platform IPTV player
VICIdial Contact Center Suite
To-do manager, notepad, RSS reader...
forma.lms is a Learning Management System (LMS), opensource lms