「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！

#1 Locally hosted web application that allows you to perform various operations on PDF files

Google core libraries for Java

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

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

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

Netty project - an event-driven asynchronous network application framework

an easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications.

👨‍🎓 Java Core Sprout : basic, concurrent, algorithm

Apache Flink

High Performance Inter-Thread Messaging Library

A high performance caching library for Java

大数据入门指南 ⭐

The official home of the Presto distributed SQL query engine for big data

A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

Distributed scheduled job

Apache Iceberg

Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

GraphQL Java implementation

Drools is a rule engine, DMN engine and complex event processing (CEP) engine for Java.

Java 1-21 Parser and Abstract Syntax Tree for Java with advanced analysis functionalities.

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

Mirror of Apache RocketMQ (Incubating)

Make stream processing easier! Easy-to-use streaming application development framework and operation platform.

A data integration framework

Jarslink is a sofa ark plugin used to manage multi-application deployment

SOFABolt is a lightweight, easy to use and high performance remoting framework based on Netty.

EventMesh is a new generation serverless event middleware for building distributed event-driven applications.

JaVers - object auditing and diff framework for Java

PySonar2: a semantic indexer for Python with interprocedual type inference