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.

Powerful and flexible library for loading, caching and displaying images on Android.

greenDAO is a light & fast ORM solution for Android that maps objects to SQLite databases.

Cute view animation collection.

An asynchronous, callback-based Http client for Android built on top of Apache's HttpClient libraries.

A fast dependency injector for Android and Java.

Source code to omnibus edition of _The Busy Coder's Guide to Android Development_

A gradle plugin for getting java lambda support in java 6, 7 and android

Bolts is a collection of low-level libraries designed to make developing mobile apps easier.

Backport of Java 8's lambda expressions to Java 7, 6 and 5

squirrel-foundation is a State Machine library, which provided a lightweight, easy use, type safe and programmable state machine implementation for Java.

Android - a library that adds a glass-like effect to the action bar.

DecoView: Android arc based animated charting library

SuperToolTips

Sample android application shows you how to automatically increment the build value specified in application build.gradle file when you build an APK whether it is debug or release mode.