Lightweight Android library for building reactive apps.

Stripe Android SDK

Android Weather app developed in Kotlin with use of Android Architecture Components, Coroutines, Retrofit, Moshi.

A robust native library loader for Android.

microMathematics Plus - Extended visual calculator

Android Floating Action Button based on Material Design specification

A powerful image downloading and caching library for Android

A curated list of awesome Android UI/UX libraries

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

The Wikimedia Commons Android app allows users to upload pictures from their Android phone/tablet to Wikimedia Commons

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

A free & open modern, fast email client with user-friendly encryption and privacy features

A list of awesome beginners-friendly projects.

The Python micro framework for building web applications.

Extensive Open-Source Guides for Android Developers

MVP Android Example

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