Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发

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Design patterns implemented in Java

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Google core libraries for Java

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The java implementation of Apache Dubbo. An RPC and microservice framework.

Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas

🔥 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…

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Netty project - an event-driven asynchronous network application framework

Open Source Identity and Access Management For Modern Applications and Services

A distributed task scheduling framework.（分布式任务调度平台XXL-JOB）

Jenkins automation server

🔥 人人可用的开源 BI 工具，数据可视化神器。An open-source BI tool alternative to Tableau.

Open-source IoT Platform - Device management, data collection, processing and visualization.

Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code

MeterSphere 是新一代的开源持续测试工具，内置 AI 助手，让软件测试工作更简单、更高效，不再成为持续交付的瓶颈。

业内为数不多致力于极致体验的超强全自研跨平台(windows/linux/android/iOS)流媒体内核，通过模块化自由组合，支持实时RTMP推流、RTSP推流、RTMP播放器、RTSP播放器、录像、多路流媒体转发、音视频导播、动态视频合成、音频混音、直播互动、内置轻量级RTSP服务等，比快更快，业界真正靠谱的超低延迟直播SDK(延迟低至100~200ms)。

Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process …

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly co…

Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.

即时通讯(IM)系统

Alluxio, data orchestration for analytics and machine learning in the cloud

Apache Groovy: A powerful multi-faceted programming language for the JVM platform

The simple, stupid rules engine for Java

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

Alink is the Machine Learning algorithm platform based on Flink, developed by the PAI team of Alibaba computing platform.