System Ninja
Having a slow computer can be pretty annoying. This is especially true if you work fast and wish your programs would open at one click of a mouse. If you suspect that there's simply too much junk that's causing your system to move like molasses, then try out System Ninja.
This nifty tool is designed to do a thorough sweep of your system; getting rid of all the unwanted junk you've accumulated from visiting and downloading various things onto your computer. Of course, it's features don't stop there, you can expect so much more from this little program apart from a simple cleanup.