Browse free open source Communications software and projects below. Use the toggles on the left to filter open source Communications software by OS, license, language, programming language, and project status.
A free course management system (CMS) to create online learning sites
Software per Call Center
IGSuite is a web-ajax-based Integrated Groupware Suite
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Echoes is a radio spectral analysis software for SDR devices
Open Source Document Management System
A universal instant messaging (IM) program
A free and reliable P2P BitTorrent client
Ham Radio Digital Modem Application
The Leading Open Source Communication Hub | Community Version
Mail Notifer for Windows
Search, Download, Play, Share on Bittorrent and the cloud
php forum, php forum script, forum software, bbs - by XMB Forum
Psi+ Project — development branch of Psi XMPP client
A Windows client for the Direct Connect networks
forma.lms is a Learning Management System (LMS), opensource lms
The portable software collection
Free and open source Q&A platform software for all the teams.
Remote assistance made easy!