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.

Add-ons for openHAB 1.x

Java language server

Source Code to _The Busy Coder's Guide To Advanced Android Development_

Tooling for the Java Module System

Open Source Java Framework for Robotics and Creative Machine Control

A repository of basic AWS samples to get you started connecting to various AWS Services using the V1 and V2 SDKS

Java Mapbox Vector Tile Library for Encoding/Decoding

High level Java network library

Terrain Sculptor is an app for the generalization of terrain models for relief shading. Terrain Sculptor removes irrelevant terrain detail and accentuates important terrain features.

Desktop application that retrieves AVL data from Hillsborough Area Regional Transit (HART)'s AVL system and produces Trip Updates and Vehicle Positions files in GTFS-realtime format.

IDE Integration of Facebook Infer

Filters GTFS-feeds to create smaller samples

Tools for incline computation with OSM GPX files

A simple client for Crowdflower crowdsourcing service

A Hadoop MapReduce implementation to add wind speed/direction fields to an existing spatiotemporal dataset.