The perfect utility for Mac newbies. TinkerTool unleashes hidden features and settings in Mac OS X without damaging your system.

TinkerTool is an application that gives you access to additional preference settings Apple has built into Mac OS X. This allows to activate hidden features in the operating system and in some of the applications delivered with the system. All preference settings changed by TinkerTool can be reset to Apple’s defaults, or to the state that existed before using the tool. No dangerous background processes are used for TinkerTool’s operation.

9WR - TinkerTool: Utility to open hidden features, settings in Mac OS X.