A collective list of free APIs

A complete computer science study plan to become a software engineer.

🙃 A delightful community-driven (with 2,400+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python…

The Kotlin Programming Language.

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

A collection of samples to discuss and showcase different architectural tools and patterns for Android apps.

A type-safe HTTP client for Android and the JVM

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

Render After Effects animations natively on Android and iOS, Web, and React Native

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

A memory leak detection library for Android.

Extensive Open-Source Guides for Android Developers

Bind Android views and callbacks to fields and methods.

Official Jetpack Compose samples.

This project is deprecated and stale. The latest ExoPlayer code is available in https://github.com/androidx/media

The Google I/O Android App

A fully functional Android app built entirely with Kotlin and Jetpack Compose

😍 A beautiful, fluid, and extensible dialogs API for Kotlin & Android.

A gardening app illustrating Android development best practices with migrating a View-based app to Jetpack Compose.

A fast dependency injector for Android and Java.

Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers.

An Android library for managing images and the memory they use.

Modular and customizable Material Design UI components for Android

An Android app which provides design news & inspiration as well as being an example of implementing material design.

Pleasant Android application development

Most popular Mocking framework for unit tests written in Java

A circular ImageView for Android

Realm is a mobile database: a replacement for SQLite & ORMs

Koin - a pragmatic lightweight dependency injection framework for Kotlin & Kotlin Multiplatform

RxJava binding APIs for Android's UI widgets.