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

A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

A libre lightweight streaming front-end for Android.

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

Telegram for Android source

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

Bind Android views and callbacks to fields and methods.

Desktop/Android/HTML5/iOS Java game development framework

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

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

A fast dependency injector for Android and Java.

Modular and customizable Material Design UI components for Android

Most popular Mocking framework for unit tests written in Java

Logstash - transport and process your logs, events, or other data

A free, secure and open source app for Android to manage your 2-step verification tokens.

The Java gRPC implementation. HTTP/2 based RPC

A declarative API to handle Android runtime permissions.

Android runtime permissions powered by RxJava2

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly co…

Epoxy is an Android library for building complex screens in a RecyclerView

(Deprecated) A custom view component that mimics the new Material Design Bottom Navigation pattern.

JetBrains theme of Material Theme

Lifecycle handling APIs for Android apps using RxJava

Android and Java bytecode viewer

Gnirehtet provides reverse tethering for Android

Learning RxJava for Android by example

An implementation of tap targets from the Material Design guidelines for feature discovery.

A Model-View-Presenter / Model-View-Intent library for modern Android apps

☑️ [Cheatsheet] Tips and tricks for Android Development