Sovereign Alternatives(4)
Services you can run with full EU data sovereignty to replace Slack
Sovereignty
Coverage
✓Full Replacements (3)
51%
BootstrappedSelf-HostableApache-2.0
Chat & Messaging
Zulip
Open source team chat with threading.
★ 24.8k
Why listed: United States-based but fully self-hostable. Deploy on EU servers for data sovereignty.
Coverage: Full
37%
Mixed (>30% Non-EU)Self-HostableMIT
Chat & Messaging
Rocket.Chat
Open source team communication platform.
★ 44.9k
Why listed: United States-based but fully self-hostable. Deploy on EU servers for data sovereignty.
Coverage: Full
36%
Mixed (>30% Non-EU)Self-HostableMIT
Chat & Messaging
Mattermost
Open source Slack alternative.
★ 35.8k
Why listed: United States-based but fully self-hostable. Deploy on EU servers for data sovereignty.
Coverage: Full
◐Partial Replacements (1)
43%
Adequacy
EU VC-BackedSelf-HostableApache-2.0
Chat & Messaging
Element
Matrix-based secure messaging. UK-based.
★ 12.8k
Why listed: United Kingdom-based but fully self-hostable. Deploy on EU servers for data sovereignty.
Coverage: Partial