
Overview
Kizuna (絆, “bond”) gives communities text channels, direct messages, voice and screen sharing without handing their conversations to a third party. Messages, uploads and member data live on hardware you control.
Status
Shipped and maintained.
What it does
01
Real-time chat
Channels, DMs, typing indicators and @mentions.
02
Voice
WebRTC through a mediasoup SFU with per-channel audio quality.
03
Screen sharing
Share your screen inside a voice channel from the desktop client.
04
Roles & permissions
Granular control over messages, channels, members and invites.
05
Invites
Join links with usage limits, expiry and QR codes.
06
Cross-server
Connect to multiple self-hosted servers from one client.
Under the hood
Deploydocker compose up -d — multi-arch images (amd64, arm64) with automatic HTTPS via Caddy
DesktopTauri v2 for Windows, macOS and Linux with notifications and auto-updates
MediaWebRTC, mediasoup SFU