Plone

Community CMS with two decades of security history and a REST API for headless builds.

Adoption1 site

Ranked 73 of 77 in CMS & Site Builders0.1% of the 1,940 tracked sites using CMS & Site Builders

Pricing: open-source

About Plone

Backed by the Plone Foundation, Plone is a free open-source CMS with a Python backend and a React frontend. The project points to a security track record of over 20 years.

Sources: Plone · Checked 16 Oct 2026

Websites using Plone

fz-juelich.de

Who added or dropped it

No switches yet. We rescan every site monthly, and any site that adds or drops Plone shows up here.

Often used with

ARIA landmarks (a11y practice)100%
core-js100%
Matomo

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