Team Messaging

Team messaging platforms provide persistent chat channels for workplace communication, replacing email for fast-moving conversations. European alternatives to Slack exist with on-premise and EU-hosted deployment options. Differentiation centers on threading model, search quality, integration ecosystem, and support for federation between separate instances.

10 European providers

πŸ‡©πŸ‡ͺ Delta Chat Freiburg Free (open-source) Free Open-Source Decentralized Email-Based German
πŸ‡¬πŸ‡§ Element London $5/user/mo Free GDPR Open-Source End-to-End Encryption
πŸ‡¬πŸ‡§ SimpleX Chat London Free (open-source) Free Open-Source No User IDs Privacy Decentralized
πŸ‡©πŸ‡ͺ Stackfield Munich €5.00/user/mo GDPR Encrypted German Channels
πŸ‡©πŸ‡ͺ Stashcat Hannover Contact sales GDPR German Government Secure
πŸ‡©πŸ‡ͺ Teamwire Munich Contact sales GDPR German Enterprise Push-to-Talk
πŸ‡¨πŸ‡­ TeleGuard Egnach Free Free Swiss Privacy No Phone Number Swisscows
πŸ‡¨πŸ‡­ Threema PfΓ€ffikon CHF 2.00/mo E2E Encryption Swiss No Phone Number Privacy
πŸ‡«πŸ‡· Twake Toulouse Free Free Open-Source French Matrix GDPR
πŸ‡¨πŸ‡­ Wire Zug €5.83/user/mo Free GDPR End-to-End Encryption Swiss Privacy
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