Category
Organized team chat with threaded conversations, self-hostable
Self-hosted Q&A platform for internal team knowledge
Free encrypted P2P messaging and voice calls, no servers
Free P2P encrypted messaging, calls, and file sharing
Self-hosted instant messaging platform for web and mobile apps
Free video conferencing you can self-host with no account needed
Scalable real-time messaging server with WebSocket support
Self-hosted customer support platform with live chat and AI
Free open source low-latency voice chat for gaming teams
Real-time voice and video infrastructure on open source WebRTC
Team messaging for security-sensitive teams with air-gap support
Open source collaborative email with shared team inboxes
