Collaboration · United States (US)
Mattermost
Mensagens de equipa open-source
The switch
Slack→Mattermostalso replaces Microsoft Teams
About
Plataforma de chat para developers, self-hostable na UE.
Why we recommend it
- Self-host UE
- DevOps integrations
- Compliance ready
EU vs USA
Mattermost vs Slack
Side-by-side on jurisdiction, data residency, and the rules that decide who can actually read your data.
Criteria
🇪🇺 Mattermost
🇺🇸 Slack
Headquarters
EU self-host
San Francisco, USA
Jurisdiction
USA (open-source, self-hostable in EU)
USA
Data location
EU se self-hosted
US (EU residency paid tier)
GDPR-native
Yes
No
CLOUD Act / FISA exposed
No
Yes
Ad tracking
No
No
End-to-end encryption
No
No
Open source
Yes
No
Ownership
Mattermost Inc.
Salesforce
Founded
2016
2013
Compare head-to-head
Mattermost vs the US incumbents
Slack vs Mattermost
Side-by-side decision page →
Microsoft Teams vs Mattermost
Side-by-side decision page →
See all European alternatives to Slack and Microsoft Teams.