West Bengal Tribal Development Co-operative Corporation Ltd.

Following table lists the information about different screen readers:

Screen Reader	Website	Free/Commercial
Screen Access For All (SAFA)	http://safa-reader.software.informer.com/2.0	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=11	Free
WebAnywhere	http://webanywhere.cs.washington.edu/wa.php	Free
Hal	http://www.yourdolphin.co.uk/productdetail.asp?id=5	Commercial
JAWS	http://www.freedomscientific.com/Products/Blindness/JAWS	Commercial
Supernova	http://www.yourdolphin.co.uk/productdetail.asp?id=1	Commercial
Window-Eyes	http://www.gwmicro.com/Window-Eyes/	Commercial