Stackfield
German all-in-one collaboration platform combining team chat, project management, video conferencing, and document editing. All data stored exclusively in Germany with end-to-end encryption. ISO 27001 certified. Used by 10,000+ companies.
Quick facts
Why does it score 86?
Stackfield is based in Munich and legally domiciled in Germany.
Stackfield took seed funding from German investor Nordwind Growth in 2024, keeping it EU-controlled but not fully independent.
Stackfield stores all data exclusively on its own servers in Germany, with no access from outside the EU.
Stackfield is ISO 27001 certified and widely used in government and finance sectors. It isn't open source.
See how they compare
StackfieldWhat does it replace?
Slack 
Microsoft Teams 
Discord 
Dingtalk More European Team communication alternatives
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