There are 2 repositories under rocket-landing topic.
Sequential Convex Programming Toolbox for nonconvex trajectory optimization.
Custom OpenAI Gym for vertical rocket landing and Deep Q-Learning implementation.
A simple rocket launch/landing simulation in python
Repositorio central para organizar el desarrollo del cohete modelo v1.
A simulator and neural net in python and Procession to land a SpaceX rocket with gridfins
Rocket landing environment for practising control theory