Revo Uninstaller - Free fully functional download of Revo Uninstaller Pro and Revo Uninstaller Freeware.
SysTracer - SysTracer - track registry and file system changes in your computer
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.
Advanced Registry Tracer - Analyze changes made to the Windows Registry.
Bulk Crap Uninstaller - Free and open source program uninstaller. Can remove large amounts of unwanted applications quickly.
RegistryChangesView - Compare 2 snapshots of Windows Registry, display all changes, and optionally generate .reg file.