- Blender is an excellent 3d modeller and editor.
- NShader adds GLSL syntax highlighting to Visual Studio 2008.
- glView is an excellent utility that shows the extensions supported on your platform. Available for Windows and Mac OS platforms.
- GLIntercept is a free and open-source OpenGL function call interceptor. Windows only.
- The Tao Framework is a collection of .Net/Mono bindings to libraries like OpenAL, DevIL, ODE and more.
- NBidi is a .Net Implementation of the BIDI algorithm for complex Hebrew and Arabic RTL scripts.
- AgateLib is a cross-platform 2d OpenGL library with an OpenTK driver.
- Golem3D is a cross-platform model editor that uses OpenTK.
