Free & Open-Source Microsoft Teams Alternatives

Team chat, video meetings, and collaboration.

1. Element ↗ ★ PICKFOSSPRIVATESELF-HOST
   Matrix-based encrypted chat with bridges.
   ●●○Medium · Federated, no central server
2. Jitsi Meet ↗ FOSSPRIVATESELF-HOST
   Free no-account video conferencing in browser.
   ●○○Easy · Runs in the browser
3. Mattermost ↗ FOSSPRIVATESELF-HOST
   Open-source team chat for enterprises.
   ●●○Medium · Requires self-hosting