CleanMyMac X - Clean, protect and speed up your Mac
Revo Uninstaller - Free fully functional download of Revo Uninstaller Pro and Revo Uninstaller Freeware.
Fossils - Find and clean out all your old unused files
AppCleaner - AppCleaner is a small application which allows you to thoroughly uninstall unwanted apps. Installing an application distributes many files throughout your System using space of your Hard Drive unnecessarily.
DaisyDisk - DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.
GeekUninstaller - Efficient and Fast, Small and Portable. 100% Free. Clean Removal and Force Removal; Native X64 support; Easy-to-use User Interface; Uninstall Windows Store Apps. Geek Uninstaller. Download.