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

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

Telegram for Android source

Bind Android views and callbacks to fields and methods.

Browse media content with your own rules on Android TV

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

A fast dependency injector for Android and Java.

Modular and customizable Material Design UI components for Android

Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

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

🎆 A well-designed local image and video selector for Android

Cute view animation collection.

Paging indicator widgets compatible with the ViewPager from the Android Support Library and ActionBarSherlock.

An Android transformation library providing a variety of image transformations for Glide.

Java JsonPath implementation

Java Native Access

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

Java interface to OpenCV, FFmpeg, and more

A Material Design ViewPager easy to use library

Annotation-triggered method call logging for your debug builds.

Lifecycle handling APIs for Android apps using RxJava

An Android library supports badge notification like iOS in Samsung, LG, Sony and HTC launchers.

A RecyclerView(advanced and flexible version of ListView in Android) with refreshing,loading more,animation and many other features.

A Java to iOS Objective-C translation tool and runtime.

Barcode scanner library for Android, based on the ZXing decoder

A scrollable list of items that centers the current element and provides easy-to-use APIs for cool item animations.

A sample Android app which showcases advanced usage of Dagger among other open source libraries.

[DEPRECATED] An Android library which allows developers to easily add animations to ListView items

Simple OAuth library for Java

Android library to handle jobs in the background.