Works great - very useful
Autopsy - The Sleuth Kit - Autopsy is an open source graphical interface to The Sleuth Kit and other digital forensics tools.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Encase eDiscovery - EnCase eDiscovery helps litigation experts to establish best practices throughout the e-discovery workflow.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Forensic Toolkit FTK - Digital Investigations
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode