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Tanaguru Engine vs IBM Equal Access Accessibility Checker: catalog facts
Tanaguru Engine	IBM Equal Access Accessibility Checker
Free Offered free as part of Tanaguru's open-source solutions.	Free Free and open source, published by IBM on GitHub.
Self-hosted	Browser extension, Command line
Automates about 380 accessibility tests Audits pages, whole sites, web apps and templates	Same rule engine in the browser and in automated builds Integrations for Cypress, Karma, Vitest and Java
Automation cannot check every accessibility criterion Licence and installation details are not given on the product page	Automated checks cannot catch every accessibility problem Build integrations need some setup in a test suite
Self-hosted	Downloadable app, Browser extension
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.