Cocktail is a powerful, yet easy to use system maintenance utility for Mac OS X. It is designed to make basic system maintenance tasks easy to perform, such as clearing caches, repairing disk permissions, running miscellaneous maintenance scripts, and more. It also includes a number of useful features such as a scheduler, customizable presets, and the ability to create scripts for more advanced users. With Cocktail, users can perform a wide range of system maintenance tasks, saving time and effort in the process.
Discontinued Ya no se admissible: http://jimmitchell.org/yasu/
Discontinued This software is still available but has been in beta since 2015.
Discontinued Discontinued but still available on download sites: http://www.majorgeeks.com/files/details/toolwiz_care.html
Bundleware: the software tries to install Avast too: Spyware, runs in the background and collects information to send to Avast. Background mode can be disabled, but is re-enabled on every run: occasionally displays pop-up ads throughout the system