Rating: 5 pick

Version tested:  1.33.382 

CCleaner (Crap Cleaner) removes all sorts of unused files, temp files, cookies, log files, cached files and other files from your computer. This is something that all computer users should do on a regular basis, not just to free up space on the hard drive but for better performace as well. A hard drive cleaner would be the first thing you would use when you have performance problems or system starts behaving erratically.

As hard drive cleaners go this is one of the coolest out there, not just because it is 100% free but because it is very fast and does the job efficiently and has a nice, intuitive interface. Read more »