Name: Disk Xray
Mac Platform: Intel
OS version: 10.8 or higher
Change log not ready at time of post.
Courtesy of Special K
Disk Xray finds duplicate and big, forgotten files which clog your disk and slows down your computer. It also locates and removes unneeded cache and temporary files. Maximum security: restore all files back if you removed something accidentally.
More info: http://naarakstudio.com/diskxray/