The Free OpenGL Utility Toolkit is a cross-platform library for creating and managing an OpenGL window. It abstracts platform-specific code, so code written to use FreeGLUT can work on any platform FreeGLUT supports.

FreeGLUT is intended for simple graphical demos, and at this purpose, it works quite well. As your needs become more complex, you will run into more and more of FreeGLUT's limitations. Consider GLFW as an alternative if this happens.

FreeGLUT is distributed under an X-Consortium style license. FreeGLUT maintains separate documentation. The SDK uses version 2.6.0