01
GBUnited Kingdom
Secure, decentralized communications platform built on the Matrix open standard with end-to-end encryption.
Alt to:Slack, Microsoft Teams, WhatsApp +2
Alt to:Slack, Microsoft Teams, Mattermost
03
DEGermany
Self-hosted, open-source communication platform for chat, video meetings, and webinars with a focus on digital sovereignty and data control.
Alt to:Microsoft Teams, Slack, Zoom +3
04
FRFrance
Talkspirit is a collaboration platform 100% made in Europe that modernizes your internal communication, simplifies information sharing and streamlines collabora
Alt to:Slack, Microsoft Teams, Google Chat +2
Mattermost alternatives compared
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| Service | Headquarters | Data hosting | EU data residency | Low Cloud Act exposure | Open source |
|---|---|---|---|---|---|
| Element | United Kingdom | EU (any EU region), Self-hosted | No | Yes | Yes |
| Infomaniak kChat | Switzerland | Switzerland | Yes | Yes | No |
| Nextcloud Talk | Germany | Not stated | No | Yes | Yes |
| Talkspirit | France | France | Yes | Yes | No |
Frequently asked questions about Mattermost alternatives
What are the best EU alternatives to Mattermost?+
The EU Alternatives Directory lists 4 European alternatives to Mattermost, including Element, Infomaniak kChat, Nextcloud Talk. Each one is checked for European headquarters and data protection practices.
Why switch from Mattermost to an EU alternative?+
An EU-based alternative keeps your data under European jurisdiction and GDPR. It reduces exposure to the US Cloud Act and foreign data access laws.
Are EU alternatives to Mattermost as good?+
Many EU alternatives to Mattermost offer comparable features, with the added benefit of European data residency and digital sovereignty.
How are these Mattermost alternatives verified?+
We check the legal entity, country of headquarters and hosting locations. Only providers based in the EU, EEA, UK, Switzerland or Ukraine are listed.