Diego Inácio has created several geometry tools for Houdini, using Python.
Houdini Demo Reel 2014
Side Effects Software has released the 2014 Demo Reel featuring the work of Houdini customers worldwide.
De Planeta is an animated short by Leonardo Cavaletti that revolves around the birth, life and death of a little planet.
SideFX have announced Houdini Engine, an API that will facilitate Houdini integration into proprietary studio software.