Spring Boot

Free and Open, Distributed, RESTful Search Engine

Spring Framework

Free universal database tool and SQL client

Just Announced - "Learn Spring Security OAuth":

Netty project - an event-driven asynchronous network application framework

A browser automation framework and ecosystem.

A private messenger for Android.

🔥 Seata is an easy-to-use, high-performance, open source distributed transaction solution.

a fast, scalable, multi-language and extensible build system

Open Source Identity and Access Management For Modern Applications and Services

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

MyBatis SQL mapper framework for Java

A tool for reverse engineering Android apk files

High Performance Inter-Thread Messaging Library

Zipkin is a distributed tracing system

Apache Hadoop

Logstash - transport and process your logs, events, or other data

Learn System Design concepts and prepare for interviews using free resources.

mall学习教程，架构、业务、技术要点全方位解析。mall项目（60k+star）是一套电商系统，使用现阶段主流技术实现。涵盖了SpringBoot、MyBatis、Elasticsearch、RabbitMQ、Redis、MongoDB、Mysql等技术，采用Docker容器化部署。

Graphs for Everyone

AWS Service registry for resilient mid-tier load balancing and failover.

The ZAP core project

Redis Java client

Universal File Online Preview Project based on Spring-Boot

Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.

Java JWT: JSON Web Token for Java and Android

Generate diagrams from textual description

Feign makes writing java http clients easier

🔎 Open source distributed and RESTful search engine.