Mem Reduct - Mem Reduct is a small application that allows you to monitor and clean your computers memory.
WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
Wise Memory Optimizer - Wise Memory Optimizer a simple and effective RAM booster to help you free up memory and get your computer running smoothly again.
WizTree - WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.
Memory Cleaner X - Memory Cleaner X cleans inactive RAM from your computer that allows you to have more applications...
SpaceSniffer - SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.