www.washington.edu/accessit National Center on Accessible Information Technology in Education 

www.webaim.org/standards/508/checklist Section 508 Checklist: Web Accessibility in Mind

http://jimthatcher.com/sidebyside.htm#Overview Side By Side Comparison of Section 508 and Web Content Accessibility Guidelines

www.w3.org/WAI/eval/Overview.html W3C Guidelines

www.cynthiasays.com HiSoftware® Cynthia Says™ Portal

Tools to adapt your software and web sites for accessibility

http://www.w3.org/WAI/ER/existingtools.html Evaluation, Repair and Transformation Tools

http://main.wgbh.org/wgbh/hire/symbols.html Symbols for Accessible Media