YafaRay is a free open-source montecarlo raytracing engine released under the LGPL 2.1 license. Raytracing is a rendering technique for generating realistic images by tracing the path of light through a 3D scene. A render engine consists of a specialised computer program that interacts with a host 3D application to provide specific raytracing capabilities "on demand". The YafaRay engine can be used in the following 3D applications: Blender, Edificius, pCon-planner and Wings 3D.

You can download YafaRay binaries and the source code in the downloads section.

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Latest News

February 22, 2017

Today we have received a 2000 $ donation from ACCA Software, which is an international company specialised on solutions for engineers, architechs and the construction industry. YafaRay is used as a render engine for stills in their BIM software called Edificius. We are proud to work with them because it makes real our motto about reaching lot of users with free raytracing (free as in freedom) and there is a real two way collaboration and feedback about improving YafaRay with professional input. Besides, this donation means a lot to our development team. Thanks !

September 21, 2016


We would like to announce the release of the new version v3.1.1-beta. We hope you like it!


You can download builds for Linux 32/64bit (this time hopefully without the issues that the v3.0.2 builds had), Windows 32/64 bits and MacOSX 64bits (however the Mac build needs additional tests, as we only can do *very* limited tests for the Mac builds)

Please if you have any issues with it, let us know in the Bug Tracker and/or Forums.

July 20, 2016

After several months of work we are happy to announce the release of the new YafaRay 3.0.2-beta for Blender v2.77a. We have prepared builds for Linux 32/64bit, Windows 32/64bit and MacOSX Intel 64bit. Windows XP support has been dropped due to the new Python 3.5 OS requirements. The MacOSX version has been tested only a little bit due to severe hardware restrictions. You can see all the changes respect to v2.1.1, download the builds and an example test scene from:


More information at this forum thread.

February 6, 2016

We've uploaded YafaRay-E v2.1.1 with some interesting improvements respect to v. 2.0.2. Main changes are (see changelog file):

  • Fix for incorrect IBL lighting in World Background Texture when set to Angular
  • Adjustment to the automatic intersection/shadow bias calculation formula to avoid black artifacts in the scenes with fine details.
  • Fix for black dots (alpha=0) sometimes when using Mitchell/Lanzcos filters.
  • Several advanced controls for material/texture preview.
  • Fixed World Preview not updating correctly.
  • Added Normal Coordinates for textures.

More information at this forum thread.

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