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Tanaguru Engine vs WAVE: catalog facts
Tanaguru Engine	WAVE
Free Offered free as part of Tanaguru's open-source solutions.	Freemium The online tool and extensions are free; the API and stand-alone testing engine are paid.
Self-hosted	Web, Browser extension
Automates about 380 accessibility tests Audits pages, whole sites, web apps and templates	Shows issues in place on the page Extensions for Chrome, Firefox and Edge
Automation cannot check every accessibility criterion Licence and installation details are not given on the product page	Bulk testing requires the paid API or engine Automated results still need human judgement
Self-hosted	Web application, Browser extension
Closed 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 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.