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 peer-to-peer (P2P) file sharing client
A universal P2P file sharing client for Windows
Search, Download, Play, Share on Bittorrent and the cloud
Refined P2P Filesharing + BitTorrent
Diverse P2P Filesharing
php forum, php forum script, forum software, bbs - by XMB Forum
Allow to redirect (a.k.a. "remail") mail messages to other recipients
The leading Open Source survey tool
a simple WPF player