Maintain (http://maintain.se/cocktail) has served up Cocktail 7.1 (Mavericks Edition). This version is a maintenance upgrade.
Cocktail is a general purpose utility for OS X that lets users clean, repair and optimize their Mac. Its features are arranged into five categories designed to help you manage various aspects of your computer, including Disk, System, Files, Network and the OS X Interface.
Cocktail (Mavericks Edition) requires OS X Mavericks to run. It costs US$19. A demo is available for download.