---
title: "Copyright Notices"
canonical: "https://documentation.chaos.com/space/VRAYHOUDINI/113280507/Copyright%20Notices"
format: markdown
---
## **V-Ray for Houdini**

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<span style="color: #000000">Copyright 2025, Chaos Software EOOD. Portions contributed and copyright held by others as indicated.</span>

<span style="color: #000000">V-Ray for Houdini official site: </span>[http://www.chaosgroup.com/](http://www.chaosgroup.com/)

> Macro (excerpt-include)



## <span style="color: #000000">**The QT Library**</span><span style="color: #000000"> (</span><span style="color: #000000">[https://www.qt.io](https://www.qt.io/)</span><span style="color: #000000">)</span>

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<span style="color: #000000">Copyright (C) 1995-2019 Haavard Nord and Eirik Chamble-Eng</span>

<span style="color: #000000">QT library official site: </span>[https://www.qt.io](https://www.qt.io/)/

**Open Source Distribution **

[QT 5.6.1 zip](https://drive.google.com/open?id=12lNBTKtlT6zK9zHtr6aNBngFuY_o_U9M)

[QT 4.8.7 zip](https://drive.google.com/open?id=1-nQtHnYC8azBIjeMtzDHIzCGyHrN2EDI)