- <li><b>glu</b> - The OpenGL Utility library
- <ul>
- <li><b>sgi</b> - GLU from SGI
- <li><b>mesa</b> - Mesa version of GLU (deprecated)
- </ul>
- <li><b>glut</b> - Mark Kilgard's OpenGL OpenGL Utility Toolkit library
- <li><b>glx</b> - The GLX library code for building libGL. This is used for
- direct rendering drivers. It will dynamically load one of the
- xxx_dri.so drivers.
- <li><b>glw</b> - Widgets for Xt/Motif.
- <li><b>glew</b> - OpenGL Extension Wrangler library (used by demo programs)