CleanMyMac X - Clean, protect and speed up your Mac
DaisyDisk - DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.
MacKeeper - The new MacKeeper app delivers multilayered protection from malware, online threats, and identity theft & Mac performance optimization. Learn what is MacKeeper.
MacCleaner Pro - MacCleaner Pro is a bundle of 6 apps to clean up disk space and speed up Mac.
MacFly Pro - Smart assistant for better Mac performance
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.