Houdini 16.0

Houdini third-party licenses

Houdini uses the following third party libraries:

Third-Party Tool Version License
Alembic 1.5.8 License
Apache Thrift 0.10.0 Apache 2.0 License
Audiere 1.9.4 LGPL License
Autodesk FBX (closed source) 2016
Berkeley DB 4.5.20 License
Blosc 1.5.0 License
Boost 1.55.0 Boost Software License
Bullet 2.83 License
bzip2 1.0.5 BSD-style License
COLLADA DOM 1.4.1 SCEA Shared Source License
cURL 7.35.0 License
decNumber License
demjson 1.3 LGPL License
ecdsa 0.13 MIT License
Eigen 3.2.8 MPL 2.0 License, LGPL 2.1 License
Expat 2.0 MIT License
Field3D 1.3.2 New BSD License
Fontconfig 2.8 License
FreeType 2.7 FreeType License
Geogram (MultiPrecision component only) 1.3.7 License
gettext 0.14.5 LGPL License
HDF5 1.8.11 License
Intel(R) Threading Building Blocks 44 License used under the Runtime Exception
ICU 5.1 License
jemalloc 3.6.0 License
Khronos OpenCL ICD 1.2 License
KissFFT License
libe57 1.1.312 License
libevent 2.1.5 BSD 3-Clause License
libigl 0.1 MPL 2.0 License
libiconv 1.14 LGPL License
libjpeg 6b License
liblas 1.8.1 License
libpng 1.2.44 License
libsndfile 1.0.10 LGPL License
libspnav 0.2.3 BSD License
libtiff 4.0.7 License
libxml2 2.8.0 License
llvm 3.2 License
MikkT 1.0 License
NumPy 1.9.2 License
OpenColorIO 1.0.9 License
Open Dynamics Engine 0.10.1 BSD-style License
OpenEXR 2.2.0 License
OpenGL Extension Wrangler library 1.10.0 Modified BSD License
OpenSubdiv 2.5.1 (will upgrade to 3.0.5 to match the VFX Platform CY2016) Apache 2.0 License
OpenVDB 3.3.0 Mozilla Public License 2.0
paramiko 1.16.0 LGPL License
Ptex 2.0.42 License
pybind11 1.8.1 BSD License
pycrypto 2.5.0 Public Domain license
Pillow 2.9.0 PIL Software License
PySide 2.0 LGPL License
Python 2.7.5 Python Software Foundation License
PySide 2.0 LGPL License
Qt 5.6.1 LGPL License v2.1
Qt.py 5.6.1 MIT License
QuickTime SDK for Windows 7.3
rpyc 3.0.7 MIT License
simplejson 2.0.9 MIT License
SQLite 3.6.22 Public Domain license
xerces 3.1.4 Apache 2.0 License
zlib 1.2.7 License
3DxWare 3.3.1 3Dconnexion License

Several icons in Houdini are used under license from the Tango icon project. See $HFS/houdini/config/Icons/LICENSE.txt.

Houdini’s help system additionally uses the following third party libraries:

Third-Party Tool Version License
click 6.7 BSD License
Flask 0.12 License
Pygments 1.0 BSD License
Whoosh 2.7.4 BSD License
Flask Script 2.0.3 License

HQueue additionally uses the following third party libraries:

Third-Party Tool Version License
decorator 3.0.0 BSD License
FormEncode 1.2.1 Python Software Foundation License
Pylons 0.9.7 BSD License
Routes 1.10.1 BSD License
Tempita 0.2 BSD License
virtualenv 1.3.2 MIT License
WebError 0.9.1 MIT License
WebHelpers 0.6.3 BSD License
WebTest 1.1 MIT License
WSGIref 0.1.2 Python Software Foundation License

Houdini 16.0

Getting started

Using Houdini

  • Geometry

    How Houdini represents geometry and how to create and edit it.

  • Copying and instancing

    How to use copies (real geometry) and instances (loaded or created at render time).

  • Animation

    How to create and keyframe animation in Houdini.

  • Character

    How to rig and animate characters in Houdini.

  • Rendering

    How to render images and animation from the 3D scene.

  • Materials

    How to assign materials and create custom materials for shading.

  • Compositing

    Houdini’s compositing networks let you create and manipulate images such as renders.

  • Digital assets

    Digital assets let you create reusable nodes and tools from existing networks.

  • Import and export

    How to get scene, object, and other data in and out of Houdini.

  • MPlay viewer

    Using Houdini’s stand-alone image viewer.


  • Particles

    How to create particle simulations.

  • Dynamics

    How to use Houdini’s dynamics networks to create simulations.

  • Pyro

    How to simulate smoke, fire, and explosions.

  • Fluids

    How to set up fluid and ocean simulations.

  • Grains

    How to simulate grainy materials (such as sand).

  • Crowd simulations

    How to create and simulate crowds of characters in Houdini.

  • Hair and Fur

    How to create, style, and add dynamics to hair and fur.

  • Finite Elements

    How to create and simulate deformable objects

  • Cloth

    How to create and simulate cloth and other flexible materials.


  • Object nodes

    Object nodes represent objects in the scene, such as character parts, geometry objects, lights, cameras, and so on.

  • Geometry nodes

    Geometry nodes live inside Geo objects and generate geometry.

  • Dynamics nodes

    Dynamics nodes set up the conditions and rules for dynamics simulations.

  • VOP nodes

  • Render nodes

    Render nodes either render the scene or set up render dependency networks.

  • Channel nodes

    Channel nodes create, filter, and manipulate channel data.

  • Compositing nodes

    Composite nodes create, filter, and manipulate image data.


  • Menus

    Explains each of the items in the main menus.

  • Viewers

    Viewer pane types.

  • Panes

    Documents the options in various panes.

  • Windows

    Documents the options in various user interface windows.

  • Stand-alone utilities

    Houdini includes a large number of useful command-line utility programs.

  • Python Scripting

    How to script Houdini using Python and the Houdini Object Model.

  • Expression functions

    Expression functions let you compute the value of parameters.

  • HScript commands

    HScript is Houdini’s legacy scripting language.

  • VEX

    VEX is a high-performance expression language used in many places in Houdini, such as writing shaders.

  • Properties

    Properties let you set up flexible and powerful hierarchies of rendering, shading, lighting, and camera parameters.

  • Python Panels

    You can script custom pane types using Python to create your own UIs.

  • Galleries

    Pre-made materials included with Houdini.