Project: Thor
Thor is a cross-platform, open-source C++ library which provides several extensions to SFML. It includes many features on top of the basic multimedia functionality. The Thor C++ Library is intended to relieve SFML users from implementing often-used concepts related to graphics and game programming again and again.
The detailed list of features, tutorials, the API documentation and downloads are available at http://www.bromeon.ch/libraries/thor. The library also exists on GitHub, its repository is located at https://github.com/Bromeon/Thor.