Monolingual - Monolingual is a program for removing unnecessary language resources from OS X, in order to reclaim...
Autoruns - See what programs are configured to startup automatically when your system boots and you login.
Disk Xray - Disk Xray is a disk usage statistics viewer, duplicate files and folders finder and cleanup tool for Mac OS X. Disk Xray performs three fundamental functions, and it performs them great.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
CleanMyPC - A smart cleaning tool for a better-running computer.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.