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

Bind Android views and callbacks to fields and methods.

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

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

An Android library that allows you to easily create applications with slide-in menus. You may use it in your Android apps provided that you cite this project and include the license in your app. Th…

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

Android and Java bytecode viewer

Bootstrap style widgets for Android, with Glyph Icons

[DEPRECATED] Action bar implementation which uses the native action bar on Android 4.0+ and a custom implementation on pre-4.0 through a single API and theme.

Android Unit Testing Framework

[Archived] Highlight the best bits of your app to users quickly, simply, and cool...ly

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

An android library for section headers that stick to the top

An enhanced Guava-based event bus with emphasis on Android support.

A small Android library allowing you to have a smooth and customizable horizontal or circular indeterminate ProgressBar

Google Guice on Android, version 3.0 [RETIRED]

Android ListView with drag and drop reordering.

Android UI Testing

Insanely easy way to work with Android Database.

Simple to use root checking Android library and sample app

Backport of Material dialogs with easy-to-use API based on DialogFragment

XPrivacy - The ultimate, yet easy to use, privacy manager

A set of AssertJ helpers geared toward testing Android.

A build environment for the XMPP client library Smack on Android

📄The reliable, generic, fast and flexible logging framework for Android

Highly customizable SlidingLayer as you have seen in Wunderlist

"Technology Gold mine" to collect and share materials/resources

Gaug.es Android App

An attempt to provide advanced battery stats for Android