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

A framework for building native apps with React.

Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.

Android SQLite API based on SQLCipher

An efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, and POSIX.

🚀Optimizer for mobile applications

The bullet proof, fast and easy to use adapter library, which minimizes developing time to a fraction...

A library that lets you use reflection without any restriction above Android P

🚀 An awesome banner for Android，Base on ViewPager2. 这可能是全网最好用的ViewPager轮播图。简单、高效，一行代码实现循环轮播，一屏三页任意变，指示器样式任你挑。

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

A type-safe HTTP client for Android and the JVM

NVIDIA PhysX SDK

Mirror of Apache Jackrabbit

Android-Iconics - Use any icon font, or vector (.svg) as drawable in your application.

📸 A well documented, high-level Android interface that makes capturing pictures and videos easy, addressing all of the common issues and needs. Real-time filters, gestures, watermarks, frame proces…

Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

Design patterns implemented in Java

A declarative, efficient, and flexible JavaScript library for building user interfaces.

Box2D is a 2D physics engine for games

A fast JSON parser/generator for Java.

A <Video /> component for react-native

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

An Android Alerting Library

unofficial libyuv mirror

A modern JSON library for Kotlin and Java.

The target is to set up a high quality and real-time image process and machine learning library which is implemented in pure java. The framework can run application on java desktop and android plat…

Image doodle for Android, with functions such as undo, zoom, move, text, image, etc. Also a powerful, customizable and extensible doodle framework & multi-function drawing board. Android图片涂鸦，具有撤消，缩…

Android 万能的Adapter for ListView,RecyclerView,GridView等，支持多种Item类型的情况。

An Android library that help you to build app with swipe back gesture.

An Android staggered grid view which supports multiple columns with rows of varying sizes.