Design patterns implemented in Java

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Everything you need to know to get the job.

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.

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

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

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.

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

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

RxJava bindings for Android

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

A fast dependency injector for Android and Java.

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

Modular and customizable Material Design UI components for Android

Modern Java - A Guide to Java 8

Quarkus: Supersonic Subatomic Java.

Tools to work with android .dex and java .class files

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

Cute view animation collection.

The Most Powerful Swipe Layout!

Realm is a mobile database: a replacement for SQLite & ORMs

A declarative API to handle Android runtime permissions.

Fast Android Development. Easy maintainance.