A couple of articles on accessibility

http://a11ywins.tumblr.com/ lists user contributed sites that are good for accessibility or have made significant improvements. There’s usually a reasonable technical overview of the technologies used. It highlights the efforts that other companies/developers are making, which is useful to spur us on to do better and to help provide justifications to our business owners for why this is important.

http://simplyaccessible.com/article/spangular-accessibility/ a really helpful demo site with explainations on how to make an angularjs application accessible. The code from the demo application would be a good starting point when creating your own angularjs application.