GLFW is a free, Open Source, portable framework for OpenGL application
development. In short, it is a single library providing a powerful,
portable API for otherwise operating system specific tasks such as opening
an OpenGL window, and reading keyboard, time, mouse and joystick input.

Orc is a library and set of tools for compiling and executing very simple programs that operate on arrays of data. The “language” is a generic assembly language that represents many of the features available in SIMD architectures, including saturated addition and subtraction, and many arithmetic operations.