• Simple DirectMedia Layer - Sam Lantinga
    Simple DirectMedia Layer is a cross-platform multimedia library designed to provide level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer.
  • PortAudio - Ross Bencina and others
    PortAudio is a free, cross platform, open-source, audio I/O library. It lets you write simple audio programs in 'C' that will compile and run on many platforms including Windows, Macintosh (8,9,X), Unix (OSS), SGI, and BeOS. PortAudio is intended to promote the exchange of audio synthesis software between developers on different platforms, and was recently selected as the audio component of a larger PortMusic project that includes MIDI and sound file support.

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