Diego Inácio has created several geometry tools for Houdini, using Python.
Houdini Demo Reel 2015
Side Effects Software have posted their demo reel for 2015, featuring the work of Houdini customers worldwide.
Side Effects Software have announced the release of Houdini Indie for independent animators and game makers.
Houdini 13 Update
Side Effects's latest version of Houdini 13 comes with new particles, finite element solver, lighting workflow and more.