Farama-Foundation/Gymnasium
An API standard for single-agent reinforcement learning environments, with popular reference environments and related utilities (formerly Gym)
A toolkit for developing and comparing reinforcement learning algorithms.
An API standard for single-agent reinforcement learning environments, with popular reference environments and related utilities (formerly Gym)
An API standard for multi-agent reinforcement learning environments, with popular reference environments and related utilities
An API conversion tool for popular external reinforcement learning environments
Evaluate and improve models and agents using environments
Reinforcement Learning in PyTorch
A training framework for Stable Baselines3 reinforcement learning agents, with hyperparameter optimization and pre-trained agents included.
3 captures since 2026-05-22