Category: Collaboration

8 European alternatives to Open-Xchange — GDPR-compliant & EU-hosted.

European open-source email, calendar, and productivity suite

Visit website ↗Assessment

Facts

Headquarters: DE (EU)
Category: Collaboration
Type: Product
GDPR-compliant: Yes
Open-source: Yes
Data hosting: EU

Top EU-based & GDPR-compliant alternatives to Open-Xchange

BigBlueButton (self-host)
Virtual classroom and video conferencing; self-hostable
EU · open-source
↗
CryptPad
End-to-end encrypted collaboration (FR/EU).
FR · open-source
↗
Nextcloud Deck
Kanban board app for project management within Nextcloud
DE · open-source
↗
FluffyChat
Open-source Matrix chat client with focus on simplicity and privacy
DE · open-source
↗
HedgeDoc
Markdown collaboration; self-host.
DE · open-source
↗
Huly
Open-source project management and team collaboration platform (self-hosted only — vendor-hosted cloud service shut down in 2026 due to funding; huly.io hosted service discontinued)
PT · open-source
↗
HumHub
German open-source social intranet and collaboration platform
DE · open-source
↗
Infomaniak
Swiss hosting provider with own kSuite (email, drive, video)
CH · commercial
↗

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Frequently asked questions

What is the best European alternative to Open-Xchange?

It depends on your use case. Strong EU alternatives to Open-Xchange include BigBlueButton (self-host), CryptPad and Nextcloud Deck. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Open-Xchange?

Yes. Open-source EU alternatives to Open-Xchange include BigBlueButton (self-host), CryptPad, Nextcloud Deck, FluffyChat, HedgeDoc, Huly and HumHub. These keep your data fully under your own control and let you self-host if you want to.

Is Open-Xchange GDPR-compliant and where is the data hosted?

Open-Xchange is headquartered in DE (EU) and hosts data in EU. It is also open-source, so you can self-host it. That makes Open-Xchange an EU-sovereign choice in its own right; the EU alternatives on this page are comparable European tools.

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