Diego Inácio has created several geometry tools for Houdini, using Python.
Making of Ambition with Houdini
Platige Image go behind the scenes on their Ambition short film and how they used Houdini for the effects.
Arnold 4.2 Sets New Performance Standards
Solid Angle will showcase Arnold 4.2 with Cinema4D and Houdini plug-ins at SIGGRAPH 2014.
Orbolt - Smart 3D Asset Store
Side Effects Software have released a brand new Smart 3D Asset Store called Orbolt.