Clean, repair and optimize your system. Work with a collection of maintenance tools and tweaks for performing special operations, routine management and processing of data, troubleshooting, removal of unwanted content, etc. View detailed system statistics.
Cocktail is a general system maintenance tool for your Mac. It can be used to carry out a variety of different optimization tasks and to change a few settings of your Mac. The application has a small user interface that includes all the available options into several different categories, such as Disks, System, Files, Network, Interface, and Pilot. The latter is an automatic script that runs several optimization tasks at once, including the daily, weekly and monthly maintenance, the clearing of system, user and Internet cache, the repair of disk permissions on your default disk, and the clearing of log files. You can also schedule this mode to be carried on specific dates and times.
The list of things that Cocktail can do is very large. You can read all about it on the website. Some of the noteworthy features are: the ability to disable or enable the sudden motion detector, the SMART disk checks, and Spotlight maintenance tasks.
All in all, this app should be all you need to carry out maintenance for your Mac. There are many solutions like this one out there, so you might as well try them all before you purchase one.