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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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Plone | Star Stack

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Plone

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Plone

Name: Plone
Author: Star Stack

Open source content management system built on Python and Zope

Visit Website GitHub 277

About

Plone is an open source content management system built on Python and Zope. It serves organizations requiring secure, multi-language content workflows with a fully open source stack backed by the Plone Foundation.

Resources

No migration guide is currently listed for this service.

Suggest a migration guide or report an outdated link.

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

Plone Foundation

Quick Facts

Legal jurisdiction: United States
Headquarters: United States
Ownership: Foundation
Deployment: 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
Plone Foundation is a not-for-profit organization headquartered in the United States, created in May 2004 for development and protection of Plone
hqCountry: other
Retrieved 30/01/2026, confidence 85%.
Read evidence excerpt
Plone Foundation is a not-for-profit organization headquartered in the United States, created in May 2004 for development and protection of Plone
Ownership: other
Statement 12/02/2026, confidence 80%.