Header only C++11 SFML "Game Engine". In reality, they're just common utilities.
Doesn't work on Visual Studio. Probably never will.
Licensed under the same license as SFML, zlib/png.
PugiXML is used for the TileMap class. It is used in header-only mode. You can toggle this with the
SKY_COMPILE_PUGIXML macro before inserting <Sky/Graphics/TileMap.hpp>.
It is licensed with the MIT license. You can find more info about PugiXML here.