Design patterns implemented in Java

Google core libraries for Java

Free universal database tool and SQL client

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

Dex to Java decompiler

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

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

Render After Effects animations natively on Android and iOS, Web, and React Native

An image loading and caching library for Android focused on smooth scrolling

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).

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

Bind Android views and callbacks to fields and methods.

🔥下拉刷新、上拉加载、二级刷新、淘宝二楼、RefreshLayout、OverScroll，Android智能下拉刷新框架，支持越界回弹、越界拖动，具有极强的扩展性，集成了几十种炫酷的Header和 Footer。

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

Redisson - Valkey & Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue,…

A Java serialization/deserialization library to convert Java Objects into JSON and back

This project is deprecated and stale. The latest ExoPlayer code is available in https://github.com/androidx/media

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

RxJava bindings for Android

Implementation of ImageView for Android that supports zooming, by various touch gestures.

High Performance Inter-Thread Messaging Library

A fast dependency injector for Android and Java.

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

An Android library for managing images and the memory they use.

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

Graphs for Everyone