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

Modular and customizable Material Design UI components for Android

A collection of samples demonstrating different frameworks and techniques for automated testing

GraphQL Java implementation

Lightweight pedometer app for Android using the hardware step sensor

LightCycle lets self-contained classes respond to Android’s lifecycle events

Android Emulator plugin for Jenkins

RxJava examples based on Java 8

Simplify SQLite on Android