Open-Source Accessibility Testing for the Web
Our team at Clym built an open-source Accessibility Testing tool to help developers and auditors identify and fix web accessibility issues, combining automated and manual testing in one place. Our tool integrates the open-source axe-core[1] library for automated testing against WCAG 2.0, 2.1, 2.2 and EN 301 549 standards. For issues that automation can't reliably detect, it includes manual review workflows that guide testers through contextual checks (like keyboard navigation and visual contrast validation). It can also generate Accessibility Conformance Reports (ACRs) in multiple formats…
Open-Source Accessibility Testing for the Web launched on October 23, 2025 with 18 votes, #593 of 8,178 launches that month and more than 90% of that year's launches.
In plain words
Clym's open-source accessibility testing tool helps developers and auditors find and fix web accessibility issues by combining automated and manual testing. It uses the axe-core library to test against WCAG 2.0, 2.1, 2.2, and EN 301 549 standards, while manual workflows guide testers through checks like keyboard navigation and contrast validation. The tool can generate accessibility conformance reports in multiple formats and allows teams to define custom rules and remediation steps through configuration.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Our team at Clym built an open-source Accessibility Testing tool to help developers and auditors identify and fix web accessibility issues, combining automated and manual testing in one place. Our tool integrates the open-source axe-core[1] library for automated testing against WCAG 2.0, 2.1, 2.2 and EN 301 549…
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