Diego Inácio has created several geometry tools for Houdini, using Python.
Houdini 14 - Sand/Snow RnD
Graham Collier has created some sweet sand and snow tests using the new Houdini 14.
Arnold 4.2 Sets New Performance Standards
Solid Angle will showcase Arnold 4.2 with Cinema4D and Houdini plug-ins at SIGGRAPH 2014.
Jayden Paterson - Houdini FX Reel 2014
Jayden Peterson has posted a reel showcasing his Houdini FX work.