How to use Gource to visualize your code repos (and more): 
Why settle for boring numbers and static graphs to describe your open source project when you can dynamically display the movements and activity within your project? Gource is an amazing and flexible tool that can be used to display activity from your repositories using a video visualization that people love. Gource can be redistributed and modified under the terms of the GNU General Public License (version 3 or later).
read more: Opensource.com dawnfoster
Supporting Open Source.
Have you tried: Diving with Sharks?