European alternatives to Slack

Slack is a US-based team messaging and collaboration platform. Owned by Salesforce, all messages and files are stored on servers in the United States.

This page lists European alternatives from companies based in a member state of the European Union (EU) or the European Free Trade Association (EFTA).

Element

United Kingdom UK EU hosted Open source Free plan

Website

Element is a secure, decentralised messaging and collaboration app built on the open Matrix protocol. It is fully self-hostable and used by governments and public sector organisations across Europe, including the French and German governments.

Hourtick

Denmark EU Free plan

Website

Hourtick combines tasks, team chat, and time tracking for small teams and agencies. Free: 500 MB usage/month; Pro $29/month for 5 GB usage.

Kibi Connect

Germany EU EU hosted

Website

Employee app for teams without a desk: chat, video calls, news, wiki, tasks, calendar, files, office and time tracking in one app for phone, tablet and browser. Built and hosted in Germany, GDPR-compliant, no data transfer to third countries.

Wire

Switzerland EFTA EU hosted Open source

Website

Wire is an end-to-end encrypted messaging and collaboration platform from Switzerland, purpose-built for businesses, enterprises, and government organisations that require the highest level of communication security.

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