Diego Inácio has created several geometry tools for Houdini, using Python.
Houdini 13 Update
Side Effects's latest version of Houdini 13 comes with new particles, finite element solver, lighting workflow and more.
Nuaghty Dog Turn to Houdini for Uncharted 3
Find out about how Naughty Dog made use of Houdini for geometry fracturing and water effects in Uncharted 3.
Houdini - Demo Reel 2011
Check out this demo reel showcasing some of the best work achieved with Side Effects Software's Houdini.