Mumble

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

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

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

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...