This document discusses open technologies for the United Nations. It provides an overview of open hardware, open source, open data, open standards, open education, and open science as part of an open ecosystem. The document outlines how open data from sources like OpenStreetMap, Google Maps, and mapathons can help involve many people. It also questions how open technologies can help the UN through interoperability, and discusses the potential roles of universities, research centers, and the private sector in supporting open technologies for the UN.