http://astyle.sourceforge.net

http://www.doxygen.org

http://www.freebsd.org

http://www.gnu.org/copyleft/gpl.html

http://www.classicgaming.com/sopwith/goplanes.htm

http://linux.com

http://www.apple.com

http://www.opengl.org

http://www.libsdl.org

Simple DirectMedia Layer is a cross-platform multimedia library designed to provide fast access to the graphics framebuffer and audio device. It is used by MPEG playback software, emulators, and many popular games, including the award winning Linux port of "Civilization: Call To Power." Simple DirectMedia Layer supports Linux, Win32, BeOS, MacOS, Solaris, IRIX, and FreeBSD.

http://www.libsdl.org/projects/SDL_image/

http://www.libsdl.org/projects/SDL_net/

http://www.libsdl.org/projects/SDL_ttf/

http://www.sun.com/software/solaris/

http://www.classicgaming.com/sopwith/sop2.htm

http://sourceforge.net

http://www.microsoft.com/windows/

http://www.xpilot.org