Ghidra is a software reverse engineering (SRE) framework

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

Bind Android views and callbacks to fields and methods.

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

Zipkin is a distributed tracing system

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

Modular and customizable Material Design UI components for Android

A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.

Resilience4j is a fault tolerance library designed for Java8 and functional programming

Feign makes writing java http clients easier

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

Flyway by Redgate • Database Migrations Made Easy.

Charts library for Android compatible with API 8+, several chart types with scaling, scrolling and animations 📊

Android Unit Testing Framework

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

Android library that simplifies the process of requesting permissions at runtime.

Android USB host serial driver library for CDC, FTDI, Arduino and other devices.

Java / JavaFX / Kotlin Game Library (Engine)

A small, yet full-featured framework that allows building View-based Android applications

Groupie helps you display and manage complex RecyclerView layouts.

Android client SDK for communicating with OAuth 2.0 and OpenID Connect providers.

Name UI states, navigate between them, remember where you've been.

Android Developer Roadmap - A complete roadmap to learn Android App Development

A material designed music player for Android

Multiple samples showing the best practices in animation on Android.

An abnormal horizontal ListView-like pile layout with stretch and contraction effects.

Android UI libraries, components and animations by @ramotion

An extensible Java library for HTTP request and response logging

Usb serial controller for Android