European alternatives to
Slack
4 European alternatives found, privacy-friendly, EU-based, and ready to use.
Wire
82 · Strongly EuropeanSwiss end-to-end encrypted messaging and collaboration platform for enterprise and government use. Backed by Schwarz Group (Lidl/Kaufland), hosted in the EU, and used by security-conscious organisations across Europe.
Stackfield
86 · Strongly EuropeanGerman all-in-one collaboration platform combining team chat, project management, video conferencing, and document editing. All data stored exclusively in Germany with end-to-end encryption. ISO 27001 certified. Used by 10,000+ companies.
Element
75 · Strongly EuropeanEuropean secure communications platform built on the open Matrix protocol. Used by NATO, the EU, French and German governments, and 47M+ users across 80,000+ deployments. Self-hostable with full end-to-end encryption.
Twake Workplace
100 · Certified EuropeanOpen-source collaboration suite developed by French company Linagora. Combines Matrix-based messaging, cloud drive, mail, and calendar in one platform. EU-hosted and self-hostable.
Why switch away from Slack?
Privacy
EU-based services fall under GDPR, one of the world's strongest privacy laws.
Data sovereignty
Your data stays in Europe, out of reach of US surveillance laws like the CLOUD Act.
Support European tech
Every subscription you switch keeps money in the European tech ecosystem.