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Curated

European alternative to

Team Communication Platforms

A team communication service enables messaging, file sharing, and collaboration for professional teams. Commonly used by consumers or businesses through apps, websites and connected digital services.

7 Alternatives Found

Stackfield

Germany

German all-in-one team collaboration platform with end-to-end encryption, combining chat, tasks, video calls, and file sharing. Data hosted exclusively in Germany.

Key Features

End-to-end encrypted chatTask managementVideo callsFile sharing

paidFrom €8/user/month

Mattermost

Germany

Open-source, self-hostable team messaging platform designed as a Slack alternative for enterprises and developers needing full data control.

Key Features

Open sourceSelf-hostableChannelsIntegrations

freemiumFree self-hosted, Enterprise pricing for managed

Wire

Switzerland

Swiss secure messaging and collaboration platform with end-to-end encryption, available for teams and enterprises.

Key Features

E2E encrypted messagingVideo callsFile sharingScreen sharing

freemiumFree for personal, Business from €4/user/month

Element

United Kingdom

Open-source, decentralized messaging and collaboration platform based on the Matrix protocol, widely hosted on EU servers.

Key Features

Decentralized federationEnd-to-end encryptionBridges to Slack/IRCSelf-hostable

freemiumFree self-hosted, paid plans from £4/user/month

Nextcloud Talk

Germany

Open-source video calling and team chat built into the Nextcloud platform, self-hostable with full data sovereignty.

Key Features

Video callsGroup chatScreen sharingBreakout rooms

freeFree and open source, hosted plans available

Fleep

Estonia

Estonian team messaging and file sharing service that also works with email, allowing interoperability between chat and email workflows.

Key Features

Team chatEmail integrationFile sharingTasks

freemiumFree for basic, Business from €5/user/month

ginlo Business

Germany

German business messaging app with end-to-end encryption, developed by Deutsche Telekom subsidiary, focused on compliance and data protection.

Key Features

E2E encrypted chatFile sharingVoice messagesAdmin console

paidFrom €4/user/month

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