Design patterns implemented in Java

Everything you need to know to get the job.

Free universal database tool and SQL client

A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

Getting Started with Spring Boot 3:

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

Netty project - an event-driven asynchronous network application framework

A browser automation framework and ecosystem.

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

🔥 Android developers should collect the following utils(updating).

Open Source Identity and Access Management For Modern Applications and Services

Telegram for Android source

Apache Flink

FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

Jenkins automation server

A high performance caching library for Java

Apache Hadoop

Zuul is a gateway service that provides dynamic routing, monitoring, resiliency, security, and more.

Admin UI for administration of spring boot applications

🔎 Open source distributed and RESTful search engine.

Interview questions

Continuous Inspection

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

Android library to observe scroll events on scrollable views.

Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services

This is a library with components of Android L to you use in android 2.2

Apache Iceberg

A library for debugging android databases and shared preferences - Make Debugging Great Again

A Material Design ViewPager easy to use library

Bootstrap style widgets for Android, with Glyph Icons