Team Chat & Collaboration

Discord 🇺🇸 US · non-EU

Communities and voice chat, in a walled garden with a data appetite.

• Element Matrix spaces do communities, voice and video, across federated servers. 🇬🇧
• Revolt UK-built open-source Discord-alike, self-hostable. 🇬🇧
• Mumble Low-latency open-source voice chat, still unbeaten for gaming. 🇩🇪
• Nextcloud Talk Private group calls without an account on someone else's platform. 🇩🇪

Microsoft Teams 🇺🇸 US · non-EU

The chat app that arrived whether you asked for it or not.

• Element Matrix-based, federated, self-hostable, sovereign-ready. 🇬🇧
• Nextcloud Talk Chat, calls and screen sharing on infrastructure you control. 🇩🇪
• Stackfield German alternative combining chat, tasks and files. 🇩🇪
• alfaview Karlsruhe video conferencing built for large organisations. 🇩🇪

Slack 🇺🇸 US · non-EU

Workplace chat, owned by Salesforce, priced per person per month.

• Element London-based Matrix client used by the French and German governments. 🇬🇧
• Stackfield Munich team collaboration with end-to-end encryption, German servers. 🇩🇪
• Nextcloud Talk Chat and calls built into your own Nextcloud. 🇩🇪
• Twake French open-source Slack-style workspace. 🇫🇷