[About SDL]
Simple DirectMedia Layer(SDL) is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphic hardware via OpenGL and Direct3D. It is used by video play back software, emulators, and popular game including Valve.s award winning catalog and many Humble Bundle games. SDL officially supports Windows, Mac OS X. Linux, IOS, and Android. Support for other platforms may be found in the source code.SDL is written in C, works natively with C++, and there are binding available for several other language, including C# and python. SDL 2.0 is distributed under zlib licence. The license allows you to use SDL freely in any software.
[SDL Mercurial]
hg clone http://hg.libsdl.org/SDL
[Reference Site]
https://www.libsdl.org/hg.php