Recover data from formatted hardisk

Yesterday my friend mistakenly formatted his hard disk. I thought there must a software for recovering formatted data, and to my surprise there are more then 1 software for this purpose.

Some freeware available on
http://www.ntfs.com/

http://www.pcinspector.de/file_recovery/welcome.htm

http://www.majorgeeks.com/Restoration_d4474.html

Some paid software

http://www.datadoctor.in/

Hope it helps