Trending Java repositories on GitHub — ranked by total activity score (stars, forks, pushes, PRs) over the past month.
PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.
Self-hosted, open-source agent skill registry for enterprises. Publish & version skill packages, govern with RBAC and audit logs, deploy on-premise with Docker or Kubernetes.
Enterprise-grade, commercial-friendly agentic workflow platform for building next-generation SuperAgents.
Agent-ready RPA suite with out-of-the-box automation tools. Built for individuals and enterprises.
Learn System Design concepts and prepare for interviews using free resources.
企业级 Agentic RAG 智能体 - 全链路覆盖文档解析、多路检索、意图识别、问题重写、会话记忆、MCP 工具调用与深度思考。面向真实业务场景，从 0 到 1 完整工程实现。
Model-rocketry aerodynamics and trajectory simulation software
🔥 官方推荐 🔥 RuoYi-Vue 全新 Pro 版本，优化重构所有功能。基于 Spring Boot + MyBatis Plus + Vue & Element 实现的后台管理系统 + 微信小程序，支持 RBAC 动态权限、数据权限、SaaS 多租户、Flowable 工作流、三方登录、支付、短信、商城、CRM、ERP、AI 大模型、IoT 物联网等功能。你的 ⭐️ Star ⭐️，是作者生发的动力！
Run OpenClaw on Android with a single command — no proot, no Linux
AgentScope Java: Agent-Oriented Programming for Building LLM Applications
Oinone is an AI‑Powered low‑code framework that unifies AI and developers around a shared metadata model to build maintainable, evolvable, high‑quality enterprise intelligent applications.[AI Coding][Vibe Coding][Framework][Low Code]
基于 Spring Boot 4.0 + Java 21 + Spring AI + PostgreSQL + pgvector + RustFS + Redis，实现简历智能分析、AI模拟面试、知识库RAG检索等核心功能。非常适合作为学习和简历项目，学习门槛低。
Learn Low Level Design (LLD) and prepare for interviews using free resources.
Self-evolving cognitive memory for AI agents in Java. Empowering 24/7 proactive agents like OpenClaw with understanding.
Open Source Identity and Access Management For Modern Applications and Services
JavaClaw, a Java version of OpenClaw built on Spring Boot, Spring AI and JobRunr
Contains latest company wise questions of LeetCode as of Feb 2026.
AI-Powered Conversational CRM: Intelligent Customer Management & Seamless Collaboration
LangChain4j is an open-source Java library that simplifies the integration of LLMs into Java applications through a unified API, providing access to popular LLMs and vector databases. It makes implementing RAG, tool calling (including support for MCP), and agents easy. LangChain4j integrates seamlessly with various enterprise Java frameworks.
Scrape Google AI Mode responses without blocks on a large scale.
一款 AI 驱动的低代码平台，提供"零代码"与"代码生成"双模式——零代码模式一句话搭建系统，代码生成模式自动输出前后端代码与建表 SQL，生成即可运行。平台内置 AI 聊天助手、AI大模型、知识库、AI流程编排、MCP 与插件体系，兼容主流大模型，支持一句话生成流程图、设计表单、聊天式业务操作，解决 Java 项目 80% 重复工作，高效且不失灵活。
A Java distributed server framework based on Aeron and Netty, featuring a lock-free, asynchronous, and event-driven architectural design. Suitable for game servers, IoT, high-frequency financial trading, and high-frequency market data pushing. 基于 Aeron、Netty 的 java 分布式服务器框架，无锁异步化、事件驱动架构设计。适用于游戏服务器、物联网、高频金融交易、高频行情推送。
An open-source, code-first Java toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.
🔥轻量级的AI工作流编排系统，类似dify、n8n，全程使用Vibe Coding，AI工具为Qoder+CLI。涉及到的技术栈包括SpringAI、LangGraph4J、SSE、MinIO、DAG自定引擎等。
HiMarket is an enterprise-level "AI Capability Marketplace and Developer Ecosystem Hub." It is not merely a simple aggregation of traditional APIs, but rather a comprehensive platform that packages, publishes, manages, and operates core AI assets such as enterprise Model APIs, MCP Servers, Agent APIs, etc., through standardized product formats.
🔥 Cordys CRM 是新一代开源 AI CRM 系统，融合信息化、数字化与智能化，支持私有化部署，Skills 技能现已上线，全面驱动 OpenClaw AI 助理。
