Team Messaging
Persistent channels and direct messages, several of them end-to-end encrypted.
European alternatives
Element
Team Messaging · United Kingdom
Alternative to Microsoft Teams and Slack
European secure messaging built on Matrix for teams and communities.
Element
Team Messaging · United Kingdom
Alternative to Microsoft Teams and Slack
Matrix-based team messaging with E2E encryption and federation.
Mattermost
Team Messaging · Germany
Alternative to Microsoft Teams and Slack
Secure team messaging with self-hosted and cloud deployment options.
Wire
Team Messaging · Switzerland
Alternative to Microsoft Teams and Slack
End-to-end encrypted team messaging, calls, and file sharing.