Standards
Information and Communication Technology (ICT) Standards and Guidelines: Section 508
Information and Communication Technology (ICT) Standards and Guidelines: Section 508 Refresh
Accessible Rich Internet Applications (WAI-ARIA) 1.0 (W3C Recommendation, March 2014)
Web Content Accessibility Guidelines (WCAG) 2.0 (W3C Recommendation, December 2008; also available as ISO/IEC 40500:2012)
Guidance on Applying WCAG 2.0 to Non-Web Information and Communications Technologies (WCAG2ICT) (W3C Working Group Note, September 2013)
User Agent Accessibility Guidelines (UAAG) 1.0 (W3C Recommendation, December 2002)
User Agent Accessibility Guidelines (UAAG) 2.0 (W3C Working Group Note, December 2015)
Authoring Tool Accessibility Guidelines (ATAG) 2.0 (W3C Recommendation, September 2015)
APIs