Best Open Source reinforcement learning Libraries
A curated list of the most popular GitHub repositories tagged with reinforcement learning. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1Developer-Y/cs-video-courses
List of Computer Science courses with video lectures.
#2labmlai/annotated_deep_learning_paper_implementations
🧑🏫 60+ Implementations/tutorials of deep learning papers with side-by-side notes 📝; including transformers (original, xl, switch, feedback, vit, ...), optimizers (adam, adabelief, sophia, ...), gans(cyclegan, stylegan2, ...), 🎮 reinforcement learning (ppo, dqn), capsnet, distillation, ... 🧠
#3unslothai/unsloth
Fine-tuning & Reinforcement Learning for LLMs. 🦥 Train OpenAI gpt-oss, DeepSeek, Qwen, Llama, Gemma, TTS 2x faster with 70% less VRAM.
#4ray-project/ray
Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.
#5eugeneyan/applied-ml
📚 Papers & tech blogs by companies sharing their work on data science & machine learning in production.
#6d2l-ai/d2l-en
Interactive deep learning book with multi-framework code, math, and discussions. Adopted at 500 universities from 70 countries including Stanford, MIT, Harvard, and Cambridge.
#7sgl-project/sglang
SGLang is a high-performance serving framework for large language models and multimodal models.
#8Unity-Technologies/ml-agents
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.
#9AI4Finance-Foundation/FinGPT
FinGPT: Open-Source Financial Large Language Models! Revolutionize 🔥 We release the trained model on HuggingFace.
#10datawhalechina/leedl-tutorial
《李宏毅深度学习教程》（李宏毅老师推荐👍，苹果书🍎），PDF下载地址：https://github.com/datawhalechina/leedl-tutorial/releases
#11ddbourgin/numpy-ml
Machine learning, in numpy
#12microsoft/agent-lightning
The absolute trainer to light up AI agents.
#13MathFoundationRL/Book-Mathematical-Foundation-of-Reinforcement-Learning
This is the homepage of a new book entitled "Mathematical Foundations of Reinforcement Learning."
#14MorvanZhou/Reinforcement-learning-with-tensorflow
Simple Reinforcement learning tutorials, 莫烦Python 中文AI教学
#15vwxyzjn/cleanrl
High-quality single file implementation of Deep Reinforcement Learning algorithms with research-friendly features (PPO, DQN, C51, DDPG, TD3, SAC, PPG)
#16Hvass-Labs/TensorFlow-Tutorials
TensorFlow Tutorials with YouTube Videos
#17OpenRLHF/OpenRLHF
An Easy-to-use, Scalable and High-performance Agentic RL Framework based on Ray (PPO & DAPO & REINFORCE++ & TIS & vLLM & Ray & Async RL)
#18OpenPipe/ART
Agent Reinforcement Trainer: train multi-step agents for real-world tasks using GRPO. Give your agents on-the-job training. Reinforcement learning for Qwen3.5, GPT-OSS, Llama, and more!
#19lazyprogrammer/machine_learning_examples
A collection of machine learning examples and tutorials.
#20VowpalWabbit/vowpal_wabbit
Vowpal Wabbit is a machine learning system which pushes the frontier of machine learning with techniques such as online, hashing, allreduce, reductions, learning2search, active, and interactive learning.
#21InternLM/xtuner
A Next-Generation Training Engine Built for Ultra-Large MoE Models
#22inclusionAI/AReaL
Lightning-Fast RL for LLM Reasoning and Agents. Made Simple & Flexible.
#23huggingface/deep-rl-class
This repo contains the Hugging Face Deep Reinforcement Learning Course.
#24enactic/openarm
A fully open-source humanoid arm for physical AI research and deployment in contact-rich environments.