Browse free open source Communications software and projects for Windows and Cygwin below. Use the toggles on the left to filter open source Communications software by OS, license, language, programming language, and project status.
Transmission bittorrent with p2p streaming. Fast, stable, feature rich
Airfox is a free and fast web browser. It uses the Gecko Engine.
High performance, production quality STUN server and client library
Send Mime and Smime Emails to Any Type of Mail Server
Underground IM is a free Java Instant Messaging solution.
An IRC proxy to add chat encryption to IRC clients
Transforms the computer into a Airplay receiver
A Work-In-Progress, Full-Featured, Open Source IRC Client
MAIA® Reg. Browser 1.4 helps you to browse the registers of a PIC®