'''OpenGL User Interface Library''' ('''GLUI''') is a [[C++]] [[user interface]] library based on the [[OpenGL Utility Toolkit]] (GLUT) which provides controls such as buttons, checkboxes, radio buttons, and spinners to OpenGL applications. It is window- and operating system independent, relying on GLUT to handle all system-dependent issues, such as window and mouse management.
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It lacks the features of a more full-fledged GUI toolkit such as [[Qt (toolkit)|Qt]], [[wxWidgets]], or [[FLTK]], but it has a very small footprint and is extremely easy to use. A research or demonstration program that originally only uses GLUT can be given a useful control panel using GLUI in a short time, even by someone new to the toolkit.
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It was first written by Paul Rademacher to help him with his academic work. It is now maintained by Nigel Stewart.
Weaknesses include the lack of a file chooser (perhaps the most frustrating omission) and mediocre responsiveness.
= See Also =
* [[OpenGL Utility Library]] (GLU)
== External links ==
* [http://glui.sourceforge.net/ Main Site (download)]
