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Disclaimer: Star Stack provides information about European technology services for educational purposes only. Service listings, sovereignty assessments, and recommendations do not constitute legal, financial, or professional advice. We encourage you to verify all information independently and consult appropriate professionals before making technology decisions. Star Stack is not affiliated with any listed services unless explicitly stated.

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Joomla | Star Stack

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Joomla

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Joomla

Name: Joomla
Author: Star Stack

Open-source CMS for building websites and online applications

Visit Website GitHub 5.1K

About

Joomla is a free content management system that allows users to build websites and online applications. It distinguishes itself by being built entirely by a global community of volunteers and offering flexible multi-user permission levels.

Resources

No migration guide is currently listed for this service.

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Sovereignty Score

Recorded assessment version: jurisdiction-ownership-2026-10-04

out of 100

Data completeness39% (Minimal)

Score relies on pessimistic defaults for missing fields

Jurisdictional(56%)

Significant foreign legal exposure risk

Jurisdiction: United States (EU adequacy decision)
No foreign parent provider
Five Eyes intelligence alliance exposure
US CLOUD Act applies (US can compel data access regardless of storage location)

Ownership(44%)

Strong EU ownership and control

Foundation-owned (non-profit)
Funding stage unknown (assumed late-stage VC) (Submit verified data to improve this score)
No acquisition risk (foundation/government cannot be acquired)

More dimensions coming soon

GovernanceComing soon

PortabilityComing soon

LicenseComing soon

CommunityComing soon

How missing data affects scores Submit data corrections

Provider

Open Source Matters, Inc.

Quick Facts

Legal jurisdiction: United States
Headquarters: United States
Ownership: Foundation
Deployment: Self-host, SaaS

Evidence and freshness

Verification date unknown. This assessment needs review.

A score is an assessment of recorded facts. Missing evidence and unresolved ownership can affect the result.

hqCountry: other
Retrieved 30/01/2026, confidence 85%.
Read evidence excerpt
Open Source Matters, Inc. is a not-for-profit formed under United States and New York state law
hqCountry: other
Retrieved 30/01/2026, confidence 85%.
Read evidence excerpt
Open Source Matters, Inc. is a not-for-profit formed under United States and New York state law