DLR-RM/stable-baselines3

A standard API for single-agent reinforcement learning environments, with popular reference environments and related utilities (formerly Gym)

High-quality single file implementation of Deep Reinforcement Learning algorithms with research-friendly features (PPO, DQN, C51, DDPG, TD3, SAC, PPG)

An elegant PyTorch deep reinforcement learning library.

A toolkit for developing and comparing reinforcement learning algorithms.

The Unity Machine Learning Agents Toolkit (ML-Agents) is an open-source project that enables games and simulations to serve as environments for training intelligent agents using deep reinforcement learning and imitation learning.

🤗 LeRobot: Making AI for Robotics more accessible with end-to-end learning

The absolute trainer to light up AI agents.

Agent Reinforcement Trainer: train multi-step agents for real-world tasks using GRPO. Give your agents on-the-job training. Reinforcement learning for Qwen3.6, GPT-OSS, Llama, and more!

This repository contains implementations and illustrative code to accompany DeepMind publications