Netty project - an event-driven asynchronous network application framework

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

Some Android learning materials, hoping to help you learn Android development.

Statistical Machine Intelligence & Learning Engine

The Physical Web: walk up and use anything

The official MongoDB drivers for Java, Kotlin, and Scala

Google HTTP Client Library for Java

LensKit recommender toolkit.

A Java library to get a list of all usb storage devices connected to the computer.

At Twitter I often asked a simple question, render a tweet given the text and an unordered list of its entities

Evlauation for RecSysChallenge 2014

MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.