Adjust screen brightness from the menu bar, just like with volume.
Enable color icons, Mountain Lion or Lion Finder sidebar in the Mavericks.
brighten or dim all your displays at once
Remaps modifier keys.
Adds tabs to Finder windows and enables dual panel mode.
Quick Look plugin that reveals package contents.
Screen capture tool: scale, email, change format.
Allows you to remove the irritating chime of your Macintosh at startup.