GLEW is originally derived from the EXTGL project by Lev Povalahev. GLEW is licensed under the following licenses: The GLEW License (Modified BSD license), a copy of which may be obtained at: http://glew.sourceforge.net/glew.txt The Mesa 3-D License (MIT License), a copy of which may be obtained at: http://glew.sourceforge.net/mesa.txt The Khronos License (MIT License), a copy of which may be obtained at: http://glew.sourceforge.net/khronos.txt