glfw: GLFW (OpenGL framework)
glfw: 
glfw: GLFW is a free, Open Source, multi-platform library for opening a
glfw: window, creating an OpenGL context and managing input. It is easy to
glfw: integrate into existing applications and does not lay claim to the
glfw: main loop.
glfw: GLFW is written in C and has native support for Windows, Mac OS X and
glfw: many Unix-like systems using the X Window System, such as Linux and
glfw: FreeBSD.
glfw: 
glfw: HomePage: http://www.glfw.org