Free and Open Source, Distributed, RESTful Search Engine

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

A Java serialization/deserialization library to convert Java Objects into JSON and back

IntelliJ IDEA & IntelliJ Platform

Graphs for Everyone

Your Cheat Sheet For Android Interview - Android Interview Questions and Answers

CoreNLP: A Java suite of core NLP tools for tokenization, sentence segmentation, NER, parsing, coreference, sentiment analysis, etc.

Implementation of Instagram with Material Design (originally based on Emmanuel Pacamalan's concept)

Free Android 2D OpenGL Game Engine

Simplenote for Android

Code samples for Back to Back SWE lessons (archive).

A java library for reading mp3 files and reading / manipulating the ID3 tags (ID3v1 and ID3v2.2 through ID3v2.4).

Visualize algorithms and data structures using animations

Exploring possible implementations for better underline text decoration on Android

An Android library that brings the Material Design 5.1 sidebar to pre-5.1 devices.

A sample of how to mimic the way that the contacts app handles a Fast-Scroller for a RecyclerView

Java natural language date parser

Palmetto is a quality measuring tool for topics

NLP framework for JVM languages.

Comparing images with OpenCV on Android

Demo project on How to be a Mockstar using Mockito and MockWebServer.

IntelliJ Plugins demo for JetBrains Live Stream session

WordCamp for Android

Android implementation of fault tolerant repeating alarms (Daily, weekly or on selected weekdays).

RecyclerView with Divider, Notify Data Update, Insert and Delete.

Android Currency Converter using Yahoo Finance API (YQL) and implements Text change Listener.

An Android Application to draw charts.

Implements Android Google Cloud Messaging with a LAMP Server.