GLUT下载页面：http://www.opengl.org/resources/libraries/glut/glut_downloads.php
GLUT for Win32下载页面：http://www.xmission.com/~nate/glut.html
OGL SDK lib：http://www.opengl.org/sdk/libs/
这是各种SDK lib的应用介绍：
Here you'll find some very useful libraries to help speed along your development.
Equalizer is an open source programming interface and resource management system for scalable OpenGL applications. An Equalizer application can be deployed on any visualization system, from a singlepipe workstation to large scale graphics clusters.
GLee is a free cross-platform extension loading library that takes the burden off your application. GLee makes it easy to check for OpenGL extension and core version availability, automatically setting up the entry points with no effort on your part.
GLEW is an open-source cross-platform extension loading library with thread-safe support for multiple rendering contexts and automatic code generation capability. GLEW provides easy-to-use and efficient methods for checking OpenGL extensions and core functionality.
libktx, part of the KTX tool set, is a library of functions for writing KTX format files and instantiating GL textures from them.
OpenSceneGraph is a high-level 3D graphics toolkit exposing OpenGL's capabilities while providing many capabilities of its own. OpenSceneGraph boasts a large user community and has been employed for visual simulation, games, virtual reality, scientific visualization, and modeling.