Control Intel Mac fans to make them run cooler. Free smcFanControl controls the fans of every Intel Mac to make it run cooler. Download smcFanControl for Mac - Control Intel Mac fans to make them run cooler
TinkerTool: Details TinkerTool for older systems
Expanded preference settings for OS X. Free 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. TinkerTool
The Unarchiver Do you want to browse the contents of archives, rather than just extracting them?