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.

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.
1. Programmable Shading
2. High Level Primitive Support
3. Sub-Pixel Displacement
4. Motion Blur (MB)
5. Depth of Field (DoF)
6. Shadow Mapped Ambient Occlusion
7. Arbitrary Output Variables (AOV)
8. Subdivision Surfaces (SDS)
9. High quality texture mapping
10. Level of Detal (LOD)
11. High Dynamic Range (HDR) Output
12. Extensible through plugins (DSO/Procedurals)

The license of this software is Free, you can free download and free use this 3d graphic software.