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Independently verified · Quarterly re-audit
EU VETTED
Alternatives to

European alternatives to MediaWiki.

Wikimedia Foundation (US 501c3) open-source wiki software powering Wikipedia.

ALTERNATIVES
3
CLOUD-ACT · NONE
2
WITH BSI C5
0
FREE TIER
2

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TOP PICKS

Which are the closest MediaWiki alternatives?

Ordered by feature parity and migration friction, which is weighted higher than feature breadth.

BookStack
United Kingdom · Founded 2015
EU-BASED
★ #1 PICK

UK solo-dev MIT-licensed self-hosted wiki + documentation platform (Dan Brown, 2015); no SaaS, no vendor counterparty risk.

Public DPA Sub-processors Open source
FROM
€0/mo
CLOUD ACT
NONE
View profile →
Wiki.js
Canada · Founded 2016
EU-BASED
★ #2 PICK

AGPLv3 open-source Node.js wiki by Nicolas Giard (Canada, 2016); 100M+ downloads; multiple DB backends; 40+ languages; self-host only.

Public DPA Sub-processors Open source
FROM
€0/mo
CLOUD ACT
NONE
View profile →
Outline
United States · Founded 2016
US-LINKED
★ #3 PICK

US-incorporated open-source-style wiki (Outline, NYC) under BSL licence; self-hostable for EU sovereignty, but hosted cloud is US.

Public DPA Sub-processors Open source
FROM
—
CLOUD ACT
DIRECT
View profile →
SIDE-BY-SIDE

How do the 3 European alternatives to MediaWiki compare?

All 3 alternatives, benchmarked against MediaWiki.

Feature comparison

Beyond compliance: how these alternatives compare on the capabilities you actually use day to day.

Feature BookStack Wiki.js Outline
Self-hostable Yes Yes Yes
Real-time collaboration No No Yes
Databases / tables No No No
Public publishing Yes Yes Yes
Version history Yes Yes Yes
Granular permissions Yes Yes Yes
Offline mode No No No
AI assist No No Yes
WHAT YOU'RE LEAVING
What are you leaving behind with MediaWiki?

Listed for transparency. Every product on this page is benchmarked against this baseline.

MediaWiki US-incorporated

Wikimedia Foundation (US 501c3) open-source wiki software powering Wikipedia.

US-based
OWNERSHIP
US-OWNED
CLOUD ACT
DIRECT
HOSTING
Likely AWS · US
SCHREMS II
Default SCC + supp.
METHODOLOGY

How we verified each row above.

For every product we read the public DPA, sub-processors document, hosting region declaration, and corporate ownership records. Each is timestamped. Signals are editorial, re-verified quarterly. We never accept self-attestation.

Reviewed by the EU Vetted editorial team · Editorial guidelines

Read methodology →