A powerful 🚀 Android chart view / graph view library, supporting line- bar- pie- radar- bubble- and candlestick charts as well as scaling, panning and animations.

FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

🚀 Lightning fast and elegant mvc framework for Java8

Bitcoin Wallet app for your Android device. Standalone Bitcoin node, no centralized backend required.

Cordova Local-Notification Plugin

Desktop Bitcoin Wallet focused on security and privacy. Free and open source.

Keep app running in background

[DEPRECATED] - This plugin provides functionality to perform automatic updates of the web based content in your application.

PhoneGap NFC Plugin

Presto Ethereum Connector -- SQL on Ethereum

Unleash public transport data in your Java project.

An attempt at implementing a RESTful Android application

Tiny Language with ANTLR 4

Additional materials related to Bitcoin and Cryptocurrency Technologies course on Coursera, maintained by the mentors of that course.

Dead-simple mouse-driven camera for Processing

Bitcoin Library

Demo - launch a Cordova app when scanning a NFC tag

A Sample project for Android on how to use NFC (Read Tag/Write Tag/Beam)