https://github.com/ray-project/ray https://github.com/SurrealAI/surreal https://surreal.stanford.edu/ https://github.com/NervanaSystems/coach https://github.com/tensorforce/tensorforce https://github.com/ShangtongZhang/DeepRL https://github.com/Kaixhin/Rainbow#references