Free Data Recovery Mate - Free File Data Recovery Software provides 4 recover modes
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
DiskPatch - Did the entire hard disk go blank? Does Windows complain that the volume needs to be formatted?
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Free Any Data Recovery - 100% Completely Free Data Recovery Software
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode