Diego Inácio has created several geometry tools for Houdini, using Python.
SideFX GDC Reel
SideFX are showing how Houdini's procedural pipeline helps game developers save time and increase creativity in production.
Making of Ambition with Houdini
Platige Image go behind the scenes on their Ambition short film and how they used Houdini for the effects.
Houdini 13 Update
Side Effects's latest version of Houdini 13 comes with new particles, finite element solver, lighting workflow and more.