Mac Platform: UB (PPC & Intel)
OS version: 10.5+
Processor type(s) & speed: any
RAM minimum: any
Video RAM: any
More info: http://www.madrau.com
SwitchResX is the most advanced tool for Apple computers to take control of any screen connected to the Mac. No matter whether a MacBook Screen, an external monitor, a Retina display, a TV set or a beamer: SwitchResX can handle them all – if you want, straight from the menubar, a contextual menu or both. It's that easy!
Link for more information: http://www.madrau.com/html/SRX/About.html