WAVE Evaluation Tool
Evaluate web accessibility within the Chrome browser.
Accessibility Checker: Test WCAG 2.1 & Section 508 Compliance
Automatic website accessibility checker: test WCAG 2 and Section 508 on Mac, Windows and Cloud. Try now - free online demo.
WAVE Web Accessibility Tool
Contrast Ratio: Easily calculate color contrast ratios. Passing WCAG was never this easy!
Contrast for UI
A macOS app for quick access to WCAG color contrast ratios.
Koa11y Download
A GUI desktop app to find Accessibility problems in webpages. Tool for Web Developers.
WCAG 2.0 Standard: Summary - HTML_CodeSniffer
Pa11y - Your automated accessibility testing pal
tota11y – an accessibility visualization toolkit by Khan Academy
tota11y helps visualize how your site performs with assistive technologies