Technology answer

Editor.js

170

companies run it, <0.01% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 390 live hosts run it, of 191,809,695 hosts in the index, <0.01%. A host is a website, not a company.

Companies by month

No published series

170 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 42 of them. A monthly line drawn off that many observations would be noise at the same weight as a line off millions, so this page states the count and its date and publishes no series.

First discovered 8 Oct 2023, last discovered 10 Sept 2026.

Both denominators, and a third

Shares of the same 170each row a different wholelanding 12 Sept 2026

Denominator

Companies

Share

companies in the index

54,527,857

<0.01%

companies running anything in UI Frameworks and Components

20,892,480

<0.01%

companies running anything in Rich text editors

278,977

0.06%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Editor.js is rank 10 of 14 technologies in Rich text editors.

Open as a segment

170 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-editor-js

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 10 Sept 2026

Open-source block-style rich text editor library by CodeX.

Editor.js is a JavaScript library for building block-style rich text editors on the web. It is open source and embedded by developers into websites and applications.

Kindlibrary

VendorCodeX, editorjs.io

PathWeb Engineering > UI Frameworks and Components > Rich text editors

Slugeditor-js

Deploymentself-hosted

Pricingfree

Open sourceyes

First discovered2023-10-08

Last discovered2026-09-10

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerRich text editorsCompanies running anything in Rich text editors, 278,977 of 54,527,857 in the index, and the technologies ranked in it.Category answerUI Frameworks and ComponentsThe category above this one, with its subcategories and the companies in each.CatalogueAll 8,177 technologiesRanked by the companies running them, with the publication gate named and the long tail drawn.