Here are some great checklists and filtering tools for the W3C’s Web Content Accessibility Guidelines—WCAG 2.0. Know any others?

• Accessibility Checklist (WCAG 2.1) (+filters) by elsevier
• WCAG 2.0 Checklist (+filters) by Paul J Adam
• WCAG 2.1 Checklist + Links by Web Overhauls (based off Paul Adam’s checklist)
• Unavailable Interactive WCAG by Viget
• WebAIM’s WCAG 2.0 Checklist – Updated for WCAG 2.1
• WCAG 2.1 Quick Reference by Joe Chidzik
• Unavailable Accessibility Checklist by Nomensa
• The Accessibility Cheatsheet by Bits of Code
• Web Accessibility Checklist by The A11y Project
• Product Accessibility Checklist by Vox Media

Related

• Easy Checks – A First Review of Web Accessibility by W3C WAI
• Accessibility responsibility breakdown (WCAG 2.0) by Coopérative AccessibilitéWeb
• WCAG primer by TetraLogical
• How to Meet WCAG (Quick Reference) by W3C
• IBM Accessibility Checklist