add ranx

README.md

@@ -466,6 +466,7 @@ Please review our [CONTRIBUTING.md](/~https://github.com/EthicalML/awesome-product
 * [Overcooked-AI](/~https://github.com/HumanCompatibleAI/overcooked_ai) ![](https://img.shields.io/github/stars/HumanCompatibleAI/overcooked_ai.svg?style=social) - Overcooked-AI is a benchmark environment for fully cooperative human-AI task performance, based on the wildly popular video game Overcooked.
 * [PARL](/~https://github.com/PaddlePaddle/PARL) ![](https://img.shields.io/github/stars/PaddlePaddle/PARL.svg?style=social) - PARL is a flexible and high-efficient reinforcement learning framework.
 * [PettingZoo](/~https://github.com/Farama-Foundation/PettingZoo) ![](https://img.shields.io/github/stars/Farama-Foundation/PettingZoo.svg?style=social) - PettingZoo is a Python library for conducting research in multi-agent reinforcement learning, akin to a multi-agent version of Gymnasium.
+* [ranx](/~https://github.com/AmenRa/ranx) ![](https://img.shields.io/github/stars/AmenRa/ranx.svg?style=social) - ranx is a library of fast ranking evaluation metrics implemented in Python, leveraging Numba for high-speed vector operations and automatic parallelization.
 * [RL4CO](/~https://github.com/ai4co/rl4co) ![](https://img.shields.io/github/stars/ai4co/rl4co.svg?style=social) - RL4CO is a PyTorch library for all things reinforcement learning for combinatorial optimization (CO).
 * [skrl](/~https://github.com/Toni-SM/skrl) ![](https://img.shields.io/github/stars/Toni-SM/skrl.svg?style=social) - skrl is an open-source modular library for Reinforcement Learning written in Python (using PyTorch) and designed with a focus on readability, simplicity, and transparency of algorithm implementation.
 * [Stable Baselines](/~https://github.com/DLR-RM/stable-baselines3) ![](https://img.shields.io/github/stars/DLR-RM/stable-baselines3.svg?style=social) - A fork of OpenAI Baselines, implementations of reinforcement learning algorithms.