Nikon Camera Control Pro is described as 'This software remotely controls most functions of Nikon digital SLRs from a computer that is connected via USB cable or through wired or wireless LAN using a wireless transmitter. Advanced functions of the new Nikon D3 and D300 such as Viewer for preview and selection of images' and is an app in the photos & graphics category. There are more than 10 alternatives to Nikon Camera Control Pro for a variety of platforms, including Linux, Windows, Mac, iPhone and BSD apps. The best Nikon Camera Control Pro alternative is digiCamControl, which is both free and Open Source. Other great apps like Nikon Camera Control Pro are ControlMyNikon, CaptureGRID, qStopMotion and Entangle.
More features; More Intuitive interface; ~$180.00 less expensive.