---
breadcrumbs: 
title: Documentation | SideFX
source: https://www.sidefx.com/docs/
source_template: sidefx-docs-root-v1
generated_at: 2026-08-13T14:57:13.368Z
---

# Documentation | SideFX

## HOUDINI DOCUMENTATION

*When you install Houdini, you also install online help that includes documentation and a library of example files which are used to illustrate key tools and techniques. If you choose to not install this material, then you can access the docs (but not the example files) using the links shown below.*

- [Houdini 22.0](/docs/houdini)
- [Houdini 21.0](/docs/houdini21.0)
- [Houdini 20.5](/docs/houdini20.5)
- [Houdini 20.0](/docs/houdini20.0)
- [Houdini 19.5](/docs/houdini19.5)

## HQUEUE DOCUMENTATION

*The Hqueue documentation helps you set up a job management system that distributes, monitors and manages tasks across a collection of computing nodes, or client machines.*

- [HQueue 22.0](/docs/houdini/hqueue)
- [HQueue 21.0](/docs/houdini21.0/hqueue)
- [HQueue 20.5](/docs/houdini20.5/hqueue)
- [HQueue 20.0](/docs/houdini20.0/hqueue)
- [HQueue 19.5](/docs/houdini19.5/hqueue)

## HDK DOCUMENTATION

*The HDK documentation is for the Houdini Developer’s Kit which is a comprehensive set of C++ libraries that give third party developers access to the same API used by developers at SideFX.*

- [HDK 22.0](/docs/hdk) [Download](https://www.sidefx.com/docs/hdk/?download)
- [HDK 21.0](/docs/hdk21.0) [Download](https://www.sidefx.com/docs/hdk21.0/?download)
- [HDK 20.5](/docs/hdk20.5) [Download](https://www.sidefx.com/docs/hdk20.5/?download)
- [HDK 20.0](/docs/hdk20.0) [Download](https://www.sidefx.com/docs/hdk20.0/?download)
- [HDK 19.5](/docs/hdk19.5) [Download](https://www.sidefx.com/docs/hdk19.5/?download)

## HOUDINI ENGINE DOCUMENTATION

*The Houdini Engine Documentation gives you information about Houdini's compact Engine API which extracts Houdini's core technologies into a procedural engine for film and game studios to integrate into other applications. With this documentation you can create a plug-in for any number of different DCC apps.*

### C Library

- [Houdini Engine 22.0](/docs/hengine) [Download](https://www.sidefx.com/docs/hengine/?download)
- [Houdini Engine 21.0](/docs/hengine21.0) [Download](https://www.sidefx.com/docs/hengine21.0/?download)
- [Houdini Engine 20.5](/docs/hengine20.5) [Download](https://www.sidefx.com/docs/hengine20.5/?download)
- [Houdini Engine 20.0](/docs/hengine20.0) [Download](https://www.sidefx.com/docs/hengine20.0/?download)
- [Houdini Engine 19.5](/docs/hengine19.5) [Download](https://www.sidefx.com/docs/hengine19.5/?download)

### Python Module

- [Houdini Engine 22.0](/docs/houdini/hapi)
- [Houdini Engine 21.0](/docs/houdini21.0/hapi)
- [Houdini Engine 20.5](/docs/houdini20.5/hapi)
- [Houdini Engine 20.0](/docs/houdini20.0/hapi)
- [Houdini Engine 19.5](/docs/houdini19.5/hapi)

## UNREAL PLUGIN DOCUMENTATION

- [Unreal Plugin 22.0](/docs/houdini/unreal)
- [Unreal Plugin 21.0](/docs/houdini21.0/unreal)
- [Unreal Plugin 20.5](/docs/houdini20.5/unreal)
- [Unreal Plugin 20.0](/docs/houdini20.0/unreal)
- [Unreal Plugin 19.5](/docs/houdini19.5/unreal)

## MAYA PLUGIN DOCUMENTATION

- [Maya Plugin 22.0](/docs/houdini/maya)
- [Maya Plugin 21.0](/docs/houdini21.0/maya)
- [Maya Plugin 20.5](/docs/houdini20.5/maya)
- [Maya Plugin 20.0](/docs/houdini20.0/maya)
- [Maya Plugin 19.5](/docs/houdini19.5/maya)

## UNITY PLUGIN DOCUMENTATION

- [Unity Plugin 22.0](/docs/houdini/unity)
- [Unity Plugin 21.0](/docs/houdini21.0/unity)
- [Unity Plugin 20.5](/docs/houdini20.5/unity)
- [Unity Plugin 20.0](/docs/houdini20.0/unity)
- [Unity Plugin 19.5](/docs/houdini19.5/unity)

## 3DS MAX PLUGIN DOCUMENTATION

- [3ds Max Plugin 22.0](/docs/houdini/3dsmax)
- [3ds Max Plugin 21.0](/docs/houdini21.0/3dsmax)
- [3ds Max Plugin 20.5](/docs/houdini20.5/3dsmax)
- [3ds Max Plugin 20.0](/docs/houdini20.0/3dsmax)
- [3ds Max Plugin 19.5](/docs/houdini19.5/3dsmax)

## SIDEFX WEB API DOCUMENTATION

- [Read the documentation](/docs/api)