Under construction
Augmented Reality
ARToolkit http://www.hitl.washington.edu/artoolkit/
Mixare http://www.mixare.org/
Open source augmented reality server http://www.lightrod.org/
AR Viewer and SDK http://www.libregeosocial.org/
Layer http://www.layar.com/
Maps
View Kowloon Tong to Ma On Shan in a larger map