OpenGL User Interface Library
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GLUI is a GLUT-based C++ user interface library which provides controls such as buttons, checkboxes, radio buttons, and spinners to OpenGL applications. It is window-system independent, relying on GLUT to handle all system-dependent issues, such as window and mouse management.
It has first been written by Paul Rademacher for helping him in his academic work. It is now maintened by Nigel Stewart and has been migrated to SourceForge since October 2003.