Kingsoft PC Doctor, which focuses on providing computer users excellent privacy cleaner, registry cleaner and, brilliant Windows optimization service, is your best free professional and easy-to-use Windows Diagnosis and Optimization software.
Clean N' Optimize is a powerful easy to use tool to Clean, Optimize, and protect your system. It has a built in Shredder, so the cleaned files/folders can not be recovered again. It is a powerful optimizer for Internet connection, System.
NT Registry Tweaker - free registry tool to manage your Windows. Speed up your system and Internet, tune Explorer, apply security policy. It is simply and useful... and no more:) Vista supported. Enjoy!
BenchMe is a free tool to evaluate performance of various data storage devices. BenchMe measures access time, linear read speed, and IOPS for queue depth 1 and 32. BenchMe allows to copy benchmark charts to a clipboard or just print them out.
Software serial port monitor Rs232 sniffer with protocol analyzer and packet data logger. This monitoring utility can spy, capture, view, log, analyze test com ports activity performing com port connection and traffic analysis with data acquisition
Windows 7 TuneUpSuite is your all-purpose tool for better PC maintenance and security. Plus, it protects your computer from system crashes, repairs and maintains your PC health, removes unneeded Internet clutter and regains valuable disk space.