The simple, stupid rules engine for Java

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

📚 Freely available programming books

An HTTP client for Android, Kotlin, and Java.

Type-safe HTTP client for Android and Java by Square, Inc.

Java is Growing up but not only Java。Java成长路线，但学到不仅仅是Java。

阿里巴巴数据库事业部出品，为监控而生的数据库连接池。阿里云Data Lake Analytics(https://www.aliyun.com/product/datalakeanalytics )、DRDS、TDDL 连接池powered by Druid

欢迎加QQ群：109764489，贡献力量！

数据结构和算法必知必会的50个代码实现

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

Command-line tool and terminal JSON viewer (Wow That's Fantastic)🔥

带有详细注释的 Redis 3.0 代码（annotated Redis 3.0 source code）。

ByteTCC是一个兼容JTA规范的基于TCC机制的分布式事务管理器。用户手册：https://github.com/liuyangming/ByteTCC/wiki

The Reactive Extensions for JavaScript

A set of tools that keep Java sweet.

http restful api gateway

http下载工具，基于http代理，支持多连接分块下载

Spring Boot

The "REST With Spring" Course:

Mybatis通用分页插件

Git recipes in Chinese by Zhongyi Tong. 高质量的Git中文教程.

Alibaba Java Coding Guidelines pmd implements and IDE plugin

JSON to JSON transformation library written in Java.

Learn regex the easy way

轻量级规则引擎

图说设计模式

A golang ebook intro how to build a web with golang

Simple Java image-scaling library implementing Chris Campbell's incremental scaling algorithm as well as Java2D's "best-practices" image-scaling techniques.