Fix contrast - Automatically fix contrast issues on all websites
Accessify - Manage access to all the services your team uses
Contrast - A macOS app for quick access to WCAG color contrast ratios
Stark for FigJam - Stark for FigJam provides designers, engineers, and product managers role specific accessibility checklists.
Colour Contrast Checker - Check the contrast between different colour gainst WCAG
Nibbler - Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more.