3DS Max News - unofficial - SideFX has announced that Houdini Engine for UE4 and Unity are now available for commercial customers for free. Previously the engines were free Houdini Indie customers,
Houdini Engine for 3dsmax and Unreal Announced !!! - Community & Industry Discussion - Unreal Engine Forums
Houdini Engine for 3ds Max: Object Assets
Houdini - Jeff Wagner talks about Houdini Engine for Autodesk Maya, Unity, Unreal Engine, Maxon Cinema 4D and Autodesk 3ds Max. | Facebook
3ds max houdini engine normal user - General Houdini Questions - od|forum