Everything you need to know to get the job.

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

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

Open Source Identity and Access Management For Modern Applications and Services

Bind Android views and callbacks to fields and methods.

Desktop/Android/HTML5/iOS Java game development framework

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

Zuul is a gateway service that provides dynamic routing, monitoring, resiliency, security, and more.

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

Your Cheat Sheet For Android Interview - Android Interview Questions and Answers

Cracking the Coding Interview 6th Ed. Solutions

This library provides a simple way to add a draggable sliding up panel (popularized by Google Music and Google Maps) to your Android application. Brought to you by Umano.

🚀 Ultimate Android Reference - Your Road to Become a Better Android Developer

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

Android library. Flexible components for chat UI implementation with flexible possibilities for styling, customizing and data management. Made by Stfalcon

Implementation of Algorithms and Data Structures, Problems and Solutions

Aarogya Setu Android app native code

Horizon - Simple visual equaliser for Android

This library provides advance views for lists and stacks. Some of the views are build on top of RecyclerView and others are written in their own. Annotations are compiled by annotation processor to…

Android Boilerplate project using RxJava, Dagger 2, Espresso, Mockito + more!

Chat SDK Android - Open Source Mobile Messenger

Testsigma is an agentic test automation platform powered by AI-coworkers that work alongside QA teams to simplify testing, accelerate releases and improve quality across web, mobile, desktop, API, …

Lightweight, embedded, syncable NoSQL database engine for Android.

The BaasBox server

Apache ORC - the smallest, fastest columnar storage for Hadoop workloads

Android Java wrapper around ffmpeg command line binary

Browse PDF document like a book turning its pages

Flutter plugin to provide SMS code autofill support