Adaptech

http://www.adaptech.org/

A research/think-tank on how technology can help and hinder accessibility. There is also a list of free and inexpensive software. 

Dyslexia & Technology

http://technology.dyslexicadvantage.com/ 

A blog curated by Drs Fernette and Brock Eide at DyslexicAdvantage.com about technologies that can help people with dyslexia.