freeglut
Open source implementation of GLUT with source and binary backwards compatibility.
GLUT - OpenGL Utility Toolkit
GLUT (pronounced like the glut in gluttony) is the OpenGL Utility Toolkit, a window system independent toolkit for writing OpenGL programs. It implements a simple windowing application programming interface (API) for OpenGL. GLUT makes it considerably easier to learn about and explore OpenGL programming
GLUT FAQ
Frequently Asked OpenGL Utility Library (GLUT) Questions on opengl.org
GLUT for Win32
The OpenGL Utility Toolkit (GLUT), originally written by Mark Kilgard, ported to Win32.
OpenGL/GLUT Tutorial
A OpenGL and GLUT tutorial using MS Visual C++.