gnfengine is a modern c++ game engine as the name clearly implies
glm: https://github.com/g-truc/glm
glew: https://github.com/nigels-com/glew
freetype: https://www.freetype.org/
sdl2: https://www.libsdl.org/
json: https://github.com/nlohmann/json
obj-loader: https://github.com/Bly7/OBJ-Loader
download scons https://scons.org/
compile:
>cd GNFengine/
>scons