🚄 FASTJSON2 is a Java JSON library with excellent performance.

OpenSandbox is a general-purpose sandbox platform for AI applications, offering multi-language SDKs, unified sandbox APIs, and Docker/Kubernetes runtimes for scenarios like Coding Agents, GUI Agents, Agent Evaluation, AI Code Execution, and RL Training.

RTP-LLM: Alibaba's high-performance LLM inference engine for diverse applications.

An Efficient and User-Friendly Scaling Library for Reinforcement Learning with Large Language Models

A construction kit for reinforcement learning environment management.

Machine learning platform for Web developers

QLExpress is a powerful, lightweight, dynamic language for the Java platform aimed at improving developers’ productivity in different business scenes.

An easy-to-use framework for large scale recommendation algorithms.

A lightweight, lightning-fast, in-process vector database