http://www.cgsecurity.org/wiki/PhotoRec
http://www.cgsecurity.org/wiki/TestDisk
Radi na DOS (either real or in a Windows 9x DOS-box),
Windows (NT4, 2000, XP, 2003, Vista, 2008, Windows 7 (x86 & x64),
Linux,
FreeBSD, NetBSD, OpenBSD,
SunOS and
MacOS X