Google core libraries for Java

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

Termux - a terminal emulator application for Android OS extendible by variety of packages.

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

A browser automation framework and ecosystem.

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

Open Source Identity and Access Management For Modern Applications and Services

Bind Android views and callbacks to fields and methods.

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

一款面向泛前端产品研发全生命周期的效率平台。

MyBatis SQL mapper framework for Java

RxJava bindings for Android

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

High Performance Inter-Thread Messaging Library

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

QuestDB is a high performance, open-source, time-series database

💪 A framework for assisting in the renovation of Android componentization (帮助 Android App 进行组件化改造的路由框架)

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

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.

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

greenDAO is a light & fast ORM solution for Android that maps objects to SQLite databases.

Cute view animation collection.

Generate diagrams from textual description

Image Cropping Library for Android

Matrix is a plugin style, non-invasive APM system developed by WeChat.

A declarative API to handle Android runtime permissions.

A Java API for generating .java source files.