The Hue Emulator is a Bridge Emulator for the Philips Hue - Personal Wireless System.
It allows developers who don't have access to a Philips Hue system (i.e. A Bridge + Hue Light Bulbs) to write hue apps.
For more information visit the main project page:
http://steveyo.github.io/Hue-Emulator
Note: As some of you may have noticed, this project is no longer maintained so bear this in mind before using! Steve!