AZSNotSFML
----------
- https://github.com/flibitijibibo/AZSNotSFML
- commit f8291c591d04ac304c4f5324163bc83287de77b7
- 2016-09-02
- public domain (stb)

FMOD_SDL_stub
-------------
- https://github.com/rfht/FMOD_SDL_stub
- commit 810f33215ee4aa5d38adb0704ee4032bb2874c32
- 2019-09-16
- zlib license

SDL_image_compact
-----------------
- https://github.com/FNA-XNA/SDL_image_compact
- commit 70bed2bc7e7ddb47cab6cf4e5832c01307c45d9e
- 2018-10-10
- zlib license
