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

Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.

Implementation of ImageView for Android that supports zooming, by various touch gestures.

Logstash - transport and process your logs, events, or other data

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

The Most Powerful Swipe Layout!

Simplify Android M system permissions

This is a library with components of Android L to you use in android 2.2

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

Barcode scanner library for Android, based on the ZXing decoder

Barcode Scanner Libraries for Android

A TextView that automatically resizes text to fit perfectly within its bounds.

Material Design implementation for Android 4.0+. Shadows, ripples, vectors, fonts, animations, widgets, rounded corners and more.

[DEPRECATED] A fast PDF reader component for Android development

Android Blurring View

[NO LONGER MAINTAINED] Android library for better Picker DialogFragments

Over 1600 customizable icons for Android including 750+ Google Material Design icons, 25 ready-made social badges, and more!

IntelliJ Plugin for Android Parcelable boilerplate code generation.

A library that checks for your apps' updates on Google Play, GitHub, Amazon, F-Droid or your own server. API 9+ required.

Usb serial controller for Android

[DEPRECATED] Android Library that implements Snackbars from Google's Material Design documentation.

toast-like alert pattern for Android inspired by the Google Material Design Spec

Easy drawable animation using beziers curves.

A simple yet powerful resizer for Android Image resources

[DEPRECATED] Define and render UI specs on top of your Android UI

Annotation based simple API flavored with AOP to handle new Android runtime permission model

✔️ Annotation based tracking handler with aspect oriented programming

🗒️ Personal Stock Control System

Automatic pressed and disabled state for custom Button background images.