Pendulum VS RocketLander

What are some alternatives?

PythonPID_Simulator - Python PID Controller and Process Simulator (FOPDT)

GnomansLand - An open-world reinforcement learning playground for gnomes filled with dangerous peril and bountiful treasure.

pytunelogix - Python PID Tuner with an additional PID Simulator and CSV Logger

SpaceDrones - A simple learning environment with space drones for evolution-inspired optimization.

particle - Package to deal with particles, the PDG particle data table, PDGIDs, etc.

PyGame-Learning-Environment - PyGame Learning Environment (PLE) -- Reinforcement Learning Environment in Python.

simple-pid - A simple and easy to use PID controller in Python

Gradient-Free-Optimizers - Simple and reliable optimization with local, global, population-based and sequential techniques in numerical discrete search spaces.

KSP-PID-Hovering - A simple PID controller and rocket script for KSP using python and KRPC

zoofs - zoofs is a python library for performing feature selection using a variety of nature-inspired wrapper algorithms. The algorithms range from swarm-intelligence to physics-based to Evolutionary. It's easy to use , flexible and powerful tool to reduce your feature size.

GeneticAlgorithmPython - Source code of PyGAD, a Python 3 library for building the genetic algorithm and training machine learning algorithms (Keras & PyTorch).