
Historical checker
Hermish
An early automated web-accessibility checking project that preceded CheckMeister.
Surviving website record · 2004
View archive recordCOGAI project archive
Explore accessibility tools, experiments and reference projects that are no longer actively maintained.
Historical record
All the projects listed here are now retired. They were developed by COGAI founder Gareth Slinn and are preserved to provide evidence of his involvement in accessibility and accessibility-tool development spanning more than two decades. They form a historical record and are not presented as current COGAI guidance, certification or assurance.

Historical checker
An early automated web-accessibility checking project that preceded CheckMeister.
Surviving website record · 2004
View archive recordEvaluation tool
A historical automated web-accessibility checking service that followed the earlier Hermish project.
Retired · August 2024
View archive recordReact component library
A collection of customisable data-visualisation components for React projects.
Retired · September 2024
View archive recordReference project
An archived collection of practical information about accessible user-interface design and development.
Retired · April 2025
View archive recordJavaScript package
An experimental toolkit that explored optional interface patterns for neurodivergent and cognitively diverse users.
Final npm release 0.0.36 · 26 April 2025
View archive recordCurrent work
Visit the Knowledge Hub for current articles, research, publications and learning about cognitive accessibility.
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