Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer.
www.libsdl.org
SDL_image is a simple library to load images of various formats as SDL surfaces. This library supports BMP, PNM (PPM/PGM/PBM), XPM, LBM, PCX, GIF, JPEG, PNG, TGA, and TIFF formats.
www.libsdl.org/projects/SDL_image
SDL and SDL_Image libraries are available under the GNU Lesser General Public License (LGPL) version 2.1 or newer.
www.gnu.org/copyleft/lesser.html
libpng, zlib and libjpeg for PNG and JPEG support.
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