Looking for a good place to start? Try these:
Due to the overwhelming number of resources previously listed on this page, the list has been broken down into the subpages/categories below. Note that although some resources have been organized by those who might be more likely to use them (designers/users vs. developers), I have tried to minimize the duplication of links on multiple pages, so resources listed on the pages organized by user group may be valuable to everyone.
Other Accessibility Resource Listings
There are many existing Accessibility Resource pages. The Sakai Working Group's Accessibility Resources Listing is not meant to be comprehensive, so if you can't find what you are looking for, here are a few good listings to check: