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

A menu which can ... BOOM! - Android

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

An implementation of tap targets from the Material Design guidelines for feature discovery.

Android Floating Action Button based on Material Design specification

This is a UI lib for Android. Effects like shining.

Phoenix Pull-to-Refresh

an animated circular menu for Android

Neat library, that provides a simple way to implement guillotine-styled animation

The Minecraft Mod API

We are not Gif makers, We are developers

waveview for android

A wave-like loading drawable

A very simple arc layout library for Android