Auslogics Disk Defrag - Are you happy with how fast your PC runs? Disk fragmentation is a frequent cause of computer slowdown. With Auslogics Disk Defrag you will have the answer to how to defrag a computer and will be able to run the operation with just a couple of clicks.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Defraggler - Defraggler, the award-winning hard drive defrag tool from the makers of CCleaner. Optimize your hard drive and free up space. Download the latest version for free.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
UltraDefrag - UltraDefrag is an open source disk defragmenter for Windows.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode