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Asqatasun vs Tanaguru Engine: catalog facts
Asqatasun	Tanaguru Engine
Free Free and open source.	Free Offered free as part of Tanaguru's open-source solutions.
Self-hosted	Self-hosted
Audits whole sites, not just single pages API for use in continuous integration	Automates about 380 accessibility tests Audits pages, whole sites, web apps and templates
Rules follow the French RGAA standard Requires running your own server	Automation cannot check every accessibility criterion Licence and installation details are not given on the product page
Self-hosted	Self-hosted
Open source	Closed 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 24, 2026	Official website Full listing and sources Checked September 23, 2026

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