Aqsis is a cross-platform photorealistic 3D rendering solution, based on 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.

This package contains a command-line renderer, a shader compiler for shaders written using the RenderMan shading language, a texture pre-processor for optimizing textures and a RIB processor.

Aqsis is an open source project licensed under the GPL, with some parts under the LGPL.