EU alternatives to Slack (2026)

EU-built team chat and messaging platforms with servers hosted in Europe, strong data residency guarantees, and GDPR compliance.

2 EU-built startups found

Element
Secure, decentralised messaging built on Matrix — a UK alternative to Slack and Microsoft Teams.
Collaboration, Messaging, Open Source
Wire
Secure end-to-end encrypted messaging and collaboration — a European alternative to Slack and Microsoft Teams.
Collaboration, Messaging, Security