13 September 2011. In November 2010, Microsoft announced that the OpenStreetMap community could use Bing vertical aerial imagery as a backdrop in its editors. For a period from 2009 to 2011, NearMap Pty Ltd made their high-resolution PhotoMaps (of major Australian cities, plus some rural Australian areas) available for deriving OpenStreetMap data under a CC BY-SA licence. In June 2018, the Microsoft Bing team announced a major contribution of 125 million U.S. building footprints to the project – four times the number contributed by users and government data imports. Sister projects Several open collaborative mapping projects integrate with the OpenStreetMap database or are otherwise affiliated with the OpenStreetMap project: OpenHistoricalMap is a world historical map based on the OpenStreetMap software platform. OpenRailwayMap is a detailed online map of the world's railway infrastructure, built on OpenStreetMap data. It has been available since mid-2013 at openrailwaymap.org. OpenSeaMap is a world nautical chart built as a mashup of OpenStreetMap, crowdsourced water depth tracks, and third-party weather and bathymetric data. Wheelmap.org is a portal for mapping, browsing, and reviewing wheelchair-accessible places. Usage World map Web browser Data provided by the OpenStreetMap project can be viewed in a web browser with JavaScript support on its official website. The basic map views offered are: Standard, Cycle map, Transport map and Humanitarian. Map display and category options are available using OpenStreetBrowser. OsmAnd OsmAnd is free software for Android and iOS mobile devices that can use offline vector data from OpenStreetMap. It also supports layering OpenStreetMap vector data with prerendered raster map tiles from OpenStreetMap and other sources. Locus Map Locus Map is both free software and premium for Android mobile devices that can use offline vector data from OpenStreetMap. It also supports layering OpenStreetMap vector data with prerendered raster map tiles from OpenStreetMap and other sources. Maps.me Maps.me is free software for Android and iOS mobile devices that provides offline maps based on OpenStreetMap data. Organic Maps Organic Maps is a mobile map and navigation app with a focus on privacy. It is free software for Android and iOS mobile devices, and provides offline maps based on OpenStreetMap data. GNOME Maps GNOME Maps is a graphical front-end written in JavaScript and introduced in GNOME 3.10. It provides a mechanism to find the user's location with the help of GeoClue, finds directions via GraphHopper and it can deliver a list as answer to queries. Marble Marble is a