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.
Open Source Document Management System
Psi+ Project — development branch of Psi XMPP client
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Add keyboard shortcuts to switch between different thread views
A universal instant messaging (IM) program
A free and reliable P2P BitTorrent client
Mail Notifer for Windows
php forum, php forum script, forum software, bbs - by XMB Forum
A Windows client for the Direct Connect networks
forma.lms is a Learning Management System (LMS), opensource lms
Remote assistance made easy!
Fully customizable web chat created using AJAX.
You can message and share files inside your intranet without a server.
Simply explore your Android phone!
RSS feed reader
Smith chart intended for educational use
Free and open source webmail software