Mumble

WebRTC application that uses Jitsi Videobridge to provide high quality, scalable video conferences

Secured and decentralized communication system. Offers decentralized chat, forums, messaging, file...

High-performance and feature-rich chat server for Matrix, and the successor to conduwuit

Whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform

Spectrum 2 is an open source instant messaging transport. It allows users to chat together even...

Instant messaging and collaboration tool with private and group chat rooms, continuous voice and...