AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
PassMark Fragger - Passmark Fragger lets you frag and defrag files in a controlled environment according to...
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
SpeeDefrag - SpeeDefrag is the exclusive freeware program, which optimizes Windows defrag.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
MyDefragGUI - Windows freeware defragmentation and optimization - MyDefragGUI and the legacy JkDefragGUI.