Design patterns implemented in Java

All Algorithms implemented in Java

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

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.

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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

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

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

A libre lightweight streaming front-end for Android.

Bind Android views and callbacks to fields and methods.

A private messenger for Android.

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

Telegram for Android source

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

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

Desktop/Android/HTML5/iOS Java game development framework

a fast, scalable, multi-language and extensible build system

Jenkins automation server

An extensible media player for Android

The automation tower defense RTS

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

GraalVM compiles Java applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

RxJava bindings for Android

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

A tool for reverse engineering Android apk files

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

A fast dependency injector for Android and Java.