Works great - very useful
CPU Frequency Selector - Cinnamon CPU Frequency Selector Applet
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
AIDA64 - AIDA64 is a system information, diagnostics and benchmarking solution for Windows PC.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Udev Discover - A helping tool for udev testers, coders, hackers and consumers.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode