Open Source Alternatives to Microsoft Teams

Looking to replace Microsoft Teams? We found 6 top open source tools that provide similar or better functionality without the vendor lock-in.

Secure team collaboration platform. Channels, threads, integrations, and playbooks.

Alt: Slack, Teams, Microsoft Teams, Cisco JabberGo

Open source team communication platform. Messages, video calls, file sharing, and omnichannel.

Alt: Slack, Teams, Discord, Pumble, Chanty, Microsoft TeamsTypeScript

Open-source team chat with topic-based threading.

Alt: Slack, Microsoft Teams, DiscordPython

Open source web conferencing system highly optimized for online learning and virtual classrooms.

Alt: Zoom, Microsoft Teams, Webex, LiveStorm, Adobe Connect, Riverside, eWebinarJava / JavaScript

Fully self-hosted, on-premises audio/video and chat communication app seamlessly integrated into Nextcloud.

Alt: Microsoft Teams, Slack HuddlesPHP / Vue

Most secure collaboration platform featuring end-to-end encrypted messaging, voice, and video conferencing.

Alt: Signal, Microsoft TeamsHaskell / Rust