CleanMyMac X - Clean, protect and speed up your Mac
File Juggler - File Juggler is a Windows utility for automatic file management.
Fossils - Find and clean out all your old unused files
Organize - The file management automation software.
DaisyDisk - DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.
DropIt - Application to automatically process and organize your files, to move, compress, extract, rename, delete, list, send by mail, encrypt, etc. DropItDownload DropIt for free.