Publisher

CK-12 Foundation

CK-12 Foundation publishes 2 live listings in the Chrome Web Store, with 1.0M users between them, as of our catalog pass of 2026-10-10.

Live listings: 2
Users between them: 1.0M
Trader status (EU): Declared itself a trader under EU rules (DSA).
In our catalog since: 2026-08-31
Website: ck12.org

The store shows its Established publisher badge on 1 of the listings below.

Its listings

CK-12 No permissions declared · version 0.0.0.9 · updated 2018-07-02 1.0M users ★ 4.3
Flexi - AI Tutor Productivity · Education · 6 permissions, 1 site pattern · version 1.2.2 · updated 2025-11-20 5k users ★ 4.9

Figures come from the public Chrome Web Store, which our own crawler reads up to 2 times a day. We do not install or audit extensions and publish no contact details for their developers. Catalog pass of 2026-10-10.

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Where the data comes from: how the catalog is built