VanGogh can be downloaded in two different versions:

Every Version consists of the current version of VanGogh, including a sample dataset. 

Download

Requirements: at least JAVA2 SDK 1.4

Download (This is still the Windows Version, but it works fine on Macintosh as well!)

Requirements: at least JAVA2 SDK 1.3.1 and Mac OS 10.2

Introduction to VanGogh (pdf)

Visualizing Augsburg Traffic Data with VanGogh (pdf)