HxD - HxD is a carefully designed and fast hex editor which, additionally to raw disk editing and...
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Hex Workshop - Hex Workshop: Hex Editor, Sector Editor, Base Converter and Hex Calculator for Windows
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
IDA - The best-of-breed binary code analysis tool, an indispensable item in the toolbox of world-class software analysts, reverse engineers, malware analyst and cybersecurity professionals.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode