Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D.
Games made for LOWREZJAM. A game jam where you make a game with a resolution of 64x64 pixels using whatever programming platform you'd like, with as few or as many colors as you'd like, with any fidelity of sound you'd like, and 2D or 3D graphics!