Various Screen Readers List
Screen Reader Website Free / Commercial
Screen Access For All (SAFA) http://www.nabdelhi.org/NAB_SAFA.htm Free
Non Visual Desktop Access (NVDA) http://www.nvda-project.org/ Free
System Access To Go http://www.satogo.com/ Free
Thunder http://www.screenreader.net/index.php?pageid=2 Free
Window-Eyes http://www.gwmicro.com/Window-Eyes/ Commercial
JAWS http://www.freedomscientific.com/jaws-hq.asp Commercial
Supernova http://www.yourdolphin.co.uk/productdetail.asp?id=1 Commercial