Diego Inácio has created several geometry tools for Houdini, using Python.
Tea and Cookies in Houdini - Tutorial
Tea and Cookies in Houdini is a two part commercial tutorial in Houdini, going through all the steps of the scene's creation.
MAXON Announces Partnership with Side Effects Software
MAXON has announced a partnership with Side Effects Software.
Houdini 13 Update
Side Effects's latest version of Houdini 13 comes with new particles, finite element solver, lighting workflow and more.