Shimmy

Shimmy is an API conversion tool that provides Gymnasium and PettingZoo bindings for popular external reinforcement learning environments. It allows users to access a wide range of single and multi-agent environments under a single standard API. The current version is 2.0.1, with releases occurring a few times a year to ensure compatibility with new versions of Gymnasium and PettingZoo, as well as to add support for new external environments.