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Best European alternatives to Mattermost in 2026

We found 3 EU-built alternatives to Mattermost — GDPR-native, with verified data sovereignty and transparent rankings. No pay-to-win.

3 EU-built alternatives to Mattermost
Ano

Ano

Developer Tools
EU Based

Ano is a team chat platform that embeds an AI coworker powered by Claude Code directly into every channel. Teams can run commands, generate code, and see results inline alongside familiar features like threads, DMs, and real-time collaboration.

SE
Element

Element

Video Conferencing
EU Based

Element is a secure, decentralized messaging and collaboration platform built on the Matrix protocol. It offers end-to-end encrypted chat, voice, and video calls across all major platforms, with self-hosting options and bridges to tools like Slack and Teams.

DE
T

Tracim

Project Management
EU Based

Tracim is an open-source team collaboration platform combining chat, file storage, notes, calendars, kanban, and video calls in one place. Built for small teams, it supports both cloud and self-hosted deployment with no training required.

FR

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