TinkerTool - Tinker with the hidden settings of your Mac
Clean Temporary Places - Clean Temporary Places is a cleaning tool that lets you clean temporary files to free up some space on the disk and get rid of disk error, disk defragmentation, etc.
Onyx by Titanium - This website provides operating system utilities for macOS
OS Cleaner - Clean your Operating System from all the garbage wasting space that slows the performance of your...
Cocktail - General purpose system modify/repair utility
R-Wipe&Clean - R-Wipe&Clean is a complete R-Tools answer for wipe futile records and keep up your PC protection.