Sovereign Alternatives(4)
Services you can run with full EU data sovereignty to replace Slack
Sovereignty
Coverage
✓Full Replacements (3)
62%
BootstrappedSelf-HostableApache-2.0
Chat & Messaging
Zulip
Open source team chat with threaded conversations
★ 25.1k
Why listed: United States-based but fully self-hostable. Deploy on EU servers for data sovereignty.
Coverage: Full
31%
Mixed (>30% Non-EU)Self-HostableMIT
Chat & Messaging
Rocket.Chat
Open source communication platform for secure, self-hosted operations
★ 45.3k
Why listed: United States-based but fully self-hostable. Deploy on EU servers for data sovereignty.
Coverage: Full
28%
Mixed (>30% Non-EU)Self-HostableMIT
Chat & Messaging
Mattermost
Open source collaboration platform for mission-critical operations
★ 36.5k
Why listed: United States-based but fully self-hostable. Deploy on EU servers for data sovereignty.
Coverage: Full
◐Partial Replacements (1)
44%
Adequacy
EU VC-BackedSelf-HostableApache-2.0
Chat & Messaging
Element
Secure messaging and collaboration built on the Matrix open standard
★ 13.1k
Why listed: United Kingdom-based but fully self-hostable. Deploy on EU servers for data sovereignty.
Coverage: Partial