ScreenDimmer

ScreenDimmer screenshots

Brightness utility OS X has been missing.
Main Window
ScreenDimmer 1.3 : Main Window

Alternative downloads

Windownaut
1.3.1
This tool offers you an easy way to resize and arrange windows on your screen.
OpaqueMenuBar
1.5
FREE
Change the transparency level of the menubar with a simple slider control.
Screen Dimmer
2.2.1
FREE
Reduces your display brightness to protect an analog monitor.