PHOTREC
http://www.cgsecurity.org/wiki/PhotoRec

RECOVER FORMATTED WINDOWS PARTITION by Remo Software
http://www.recoverformattedpartition.com/file-recovery-after-formatting-during-os-re-installation.html

RECUVA
http://www.piriform.com/recuva

UNDELETE 360
http://www.undelete360.com/