Files are saved in a unique format ( .hipnc or .otlnc ) that cannot be opened in the paid commercial versions.
Houdini Apprentice is the free version of Houdini FX, designed for students, hobbyists, and artists to learn and create. It provides access to almost all features of the commercial FX version, including: SideFX Houdini 19 Free Download
Rendering is limited to a maximum resolution of 1280x720. Key Features & Why Learn It Files are saved in a unique format (
If you are looking for free tools with commercial capabilities, you might consider: designed for students
Node-based workflow allowing for massive, flexible scenes.