Aqsis is a cross-platform photorealistic 3D rendering solution, adhering to the RenderMan interface standard defined by Pixar Animation Studios.
Focusing on stability and production usage, features include constructive solid geometry, depth-of-field, extensible shading engine (DSOs), instancing, level-of-detail, motion blur, NURBS, procedural plugins, programmable shading, subdivision surfaces, subpixel displacements and more.

The Aqsis tools provide a comprehensive list of features that are considered necessary for production use, the following list details some of the important high level capabilities.

  • Programmable Shading
  • High Level Primitive Support
  • Sub-Pixel Displacement
  • Motion Blur (MB)
  • Depth of Field (DoF)
  • Shadow Mapped Ambient Occlusion
  • Arbitrary Output Variables (AOV)
  • Subdivision Surfaces (SDS)
  • High quality texture mapping
  • Level of Detail (LOD)
  • High Dynamic Range (HDR) Output
  • Extensible through plugins (DSO/Procedurals)

Home Page: http://www.aqsis.org/
Project Page: http://sourceforge.net/projects/aqsis/
Language: C++
Platform: Linux, Windows, OS X
License: GNU General Public License (GPL)