Web

Check out these Web Pages that make nice usage of the Hue system:

Octocolor

A nice little game made in a 24 hour game jam. Works in most browsers (not IE). If there is a reachable bridge on the network you will see a 'Hue' icon in the bottom right corner.

http://mysterarts.com/octocolor

Inamuragasaki Lights

Experience the lights and sounds of Inamuragasaki, a beautiful cape in Kamakura City.

http://inmrlights.com/

Ambieye

A nice local web based portal.

http://ambieye.com/

Harmony

Control Philips Hue lights using color theory. Works on mobile!

http://benknight.github.io/hue-harmony

huegasm

The first music Hue webapp that actively detects the beat of your music and synchronises it with your lights.

http://www.huegasm.com/