Information related to the various screen readers

Screen Reader Website Free / Commercial
Non Visual Desktop Access (NVDA) http://www.nvda-project.org/ (link is external)
(External website that opens in a new window)
Free
Webanywhere http://webinsight.cs.washington.edu/ (link is external)
(External website that opens in a new window)
Commercial
Hal http://www.yourdolphin.co.uk/productdetail.asp?id=5 (link is external)
(External website that opens in a new window)
Commercial
JAWS http://www.freedomscientific.com/Downloads/JAWS (link is external)
(External website that opens in a new window)
Commercial
Supernova http://www.yourdolphin.co.uk/productdetail.asp?id=1 (link is external)
(External website that opens in a new window)
Commercial
Window-Eyes http://www.gwmicro.com/Window-Eyes/ (link is external)
(External website that opens in a new window)
Commercial