European Alternatives to Slack

Looking for a European alternative to Slack? While Slack is popular for team communication, it's owned by Salesforce and stores all messages on US servers accessible to the company.

European team messaging platforms offer secure collaboration with data sovereignty and self-hosting options.

4 Alternatives
100% GDPR Compliant

4 European Alternatives to Slack

Wire

Encrypted team communication platform

8.8
Switzerland

Element

Decentralized team chat with Matrix federation

8.7
United Kingdom

Nextcloud Talk

Team chat integrated with your file storage

9.0
Germany

Rocket.Chat

Open-source Slack alternative you can self-host

8.4
Open Source

Frequently Asked Questions

Wire is widely considered the best European alternative to Slack. Based in Switzerland, it offers encrypted team communication platform. Other excellent options include Element and Nextcloud Talk.

Yes, all European alternatives listed on this page are fully GDPR compliant. They process and store data within the European Union, following strict privacy regulations that protect your personal information.

European alternatives offer better data privacy under GDPR, data stored exclusively in EU data centers, no exposure to US surveillance laws like the CLOUD Act, and support for European digital sovereignty. They're ideal for businesses handling sensitive data and privacy-conscious individuals.

Who worked on this review

Three people touch every comparison page: one writes it, a second edits it, and a third checks the compliance and pricing claims against the vendor's own documentation.

Daniel Brandt
Written by

Daniel Brandt

Privacy & Compliance Researcher · Berlin, Germany

Checks the compliance claims: where the company is established, where the data sits, and what the DPA actually says.

Marta Kowalczyk
Edited by

Marta Kowalczyk

Senior Analyst, Infrastructure & Developer Tools · Warsaw, Poland

Covers hosting, developer tooling and the practical side of moving workloads to European providers.

Ingrid Halvorsen
Fact-checked by

Ingrid Halvorsen

Managing Editor · Oslo, Norway

Runs the review process and decides when a page is ready to publish or needs another pass.

Read our editorial process for how we source, verify and update these pages — and how we keep affiliate income separate from what we recommend.

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