Shattered Ruby is a game development framework in Ruby, and we've created a chipmunk plugin for it.
Youtube videos:
Explanation of the plugin:
We also have a win32 port of chipmunk available at:
The port isn't official, and is just for our POC purposes. We plan to get rid of our windows port of the chipmunk src, and just include a chipmunk.dll file - once a true windows port arises.