Google core libraries for Java

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

JDK main-line development https://openjdk.org/projects/jdk

Learn System Design concepts and prepare for interviews using free resources.

Fast Android Development. Easy maintainance.

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

Android view for displaying PDFs rendered with PdfiumAndroid

Tools for keeping your cloud operating in top form. Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.

1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java

Code samples for YouTube APIs, including the YouTube Data API, YouTube Analytics API, and YouTube Live Streaming API. The repo contains language-specific directories that contain the samples.

Android boilerplate app that showcases architecture and libraries used at ribot

A collection of quickstart samples demonstrating the Google APIs for Android and iOS

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

Cheat Sheet for Android Interviews

The home of the Unicode Common Locale Data Repository

A simple example language built using the Truffle API.

Mr. Hashemi Programming Language https://mr-hashemi.github.io/mr-hashemi/

A stand-alone Bloom filter implementation written in Java

Open source test automation tool for web applications, mobile apps and APIs

The Open edX mobile app for Android!

Date picker for Iranian calendar

🚀 Simple and powerful ORM for Android

Java JSON to XML converter

Tin Can Java Library

Moodle for Android

The App Solutions ready-to-use boilerplate for an Android Application.

android date tools and date picker for tree calendar "Jalali" and "Hijri" and "Gregorian"

Custom Spinner element with searchable

Android database tutorial

Offline wrapper for TinCanJava with Android