The A11y Machine is an automated accessibility testing tool which crawls and tests pages of any web application to produce detailed reports.

the last (accessible) carousel you'll ever need.

The APCA version, to be licensed for use with guidelines: W3/AGWG.

Accessibility conformance testing rules for HTML

Identifies accessibility issues in HTML markup.

Automated accessibility testing using HTML_Codesniffer (WCAG and Section508)

Sketch Plugin to check and adjust color contrast accessibility with live preview and sliders. Endorsed by Sketch.

Modern web accessibility audits. 💪

A JavaScript library to help you generate WAI-ARIA accessible menus in the DOM.

A CLI utility to calculate/verify accessible magic numbers for a color palette.

Gifa11y is a customizable vanilla javascript plugin that easily adds accessible play/pause buttons to animated GIFs.

Un sélecteur de styles, léger et open source, pour permettre aux personnes en situation de handicap d’adapter votre site à certains de leurs besoins.

WCAG and Section 508 accessibility audits from the command line.

A Sketch plugin that let’s you test an entire color palette against the WCAG 2.0 contrast guidelines.

eBay Accessibility Ruleset Runner automates 20% of WCAG 2.0 AA recommendations, saving time on manual testing.

🎨 Determine the best contrast color to use. Give it a background color and it returns a foreground color (black or white by default but customizable).

Gets information for WCAG 2.2 criteria based on a reference number.

Accessibility checker for CKEditor 4

AccessMonitor is the a11y validator of the PT Observatory of the Web Accessibility

Generate a consistent color from a string, or generate a random color from a given color. Both accessible, contrast safe, WCAG success criteria 1.4.3 compliant.