Browse free open source Communications software and projects for Windows below. Use the toggles on the left to filter open source Communications software by OS, license, language, programming language, and project status.
Command line management for Google G Suite
A better commenting experience from Vox Media
Remote control. Support VNC, RDP, Terminal, SSH, TELNET etc
A frontend for an IPFS node
The JavaScript Implementation of libp2p networking stack
Free online agile retrospective meeting tool
Free Email Backup Software | Email Backup App for Android
A free course management system (CMS) to create online learning sites
Psi+ Project — development branch of Psi XMPP client
To-do manager, notepad, RSS reader...
A glossy Matrix collaboration client for the web
Software per Call Center
Google Reader inspired self-hosted RSS reader
Windows eml and mbox viewer.
API Support for your favorite torrent trackers
Checks which public gateways are online or not
Keep multiple browsers & devices in sync when building websites
Anti-Spam SMTP Proxy Server implements multiple spam filters
Android multi-services RSS client
Siemens S7300/400/1200/1500, ModbusMaster/RTU/TCP/ASCII, WebServer
IGSuite is a web-ajax-based Integrated Groupware Suite