Design patterns implemented in Java

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

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

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

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

Apollo is a reliable configuration management system suitable for microservice configuration management scenarios.

Mirror of Apache Kafka

阿里巴巴 MySQL binlog 增量订阅&消费组件

Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.

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

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Telegram for Android source

Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.

Open Source Identity and Access Management For Modern Applications and Services

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

Distributed SQL transaction & query engine for data sharding, scaling, encryption, and more - on any database.

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Tinker is a hot-fix solution library for Android, it supports dex, library and resources update without reinstall apk.

Powerful and flexible library for loading, caching and displaying images on Android.

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

Vert.x is a tool-kit for building reactive applications on the JVM

Apache Druid: a high performance real-time analytics database.

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

Admin UI for administration of spring boot applications

mall-swarm是一套微服务商城系统，采用了 Spring Cloud Alibaba、Spring Boot 3.2、Sa-Token、MyBatis、Elasticsearch、Docker、Kubernetes等核心技术，同时提供了基于Vue的管理后台方便快速搭建系统。mall-swarm在电商业务的基础集成了注册中心、配置中心、监控中心、网关等系统功能。

A scalable web crawler framework for Java.

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

A collection of source code generators for Java.

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 …

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