Windows Mess Cleaner is a decent little tool that has the potential to clean quite a bit from your system. It offers you an expanded selection of cleanup choices including Temp Setup Files, Downloaded Program Files, Temp Internet Files, Debug Dump Files, Office Setup Files, old Chkdsk files, Recycle Bin, Temp Remote Desktop Files, Setup Log Files, Temp Files, WebClient temp files, Catalog files. You can even compress least-used files with it.

PCSUITE BOOSTER
Instant power boost without restarting your PC, ensuring that your applications enjoy optimum use of all resources.

SuperFast Shutdown
Have you ever wished there was a faster way to shutdown your Windows 2000/XP/2003/Vista computer system? I mean instantly shut it down! Now you can! Just install Super Fast Shutdown and click on one of the desktop icons created to reboot or shutdown

Convert EDB to PST File
Kernel for Exchange Server is one such email recovery software which recovers inaccessible emails from MS Exchange Server database files and convert edb to pst file. This tool efficiently converts .EDB files to working .PST files.

RAR Recovery Toolbox
RAR Recovery Toolbox recovers data from corrupted RAR archives and files. Features: Repair RAR archives Recover password-protected RAR files Repair RAR files larger than 4 GB Restore RAR files from damaged media Fix RAR files over network

Drive Cleanup Wizard
The Drive Cleanup Wizard helps you get rid of useless, unwanted, temporary files from your machine. You can specify custom file-types you want to search and destroy. Works across User Profiles on a machine. Handy tool for System Administrators.