Superseded by OpenTK: https://sourceforge.net/projects/opentk/
The TaoFramework for .NET is a collection of bindings to facilitate cross-platform game-related development utilizing the .NET platform.
Superseded by OpenTK: https://sourceforge.net/projects/opentk/
Intended to be a cross-platform 3D engine and toolkit using the Taoframework and allowing C#/F#/.NET developers to target Mac OS X and Windows with a single build.
Also includes accessory tools for managing builds and ports of your game product.