The City of Philadelphia's ArcGIS Online organization that hosts references to open data releases as feature services and AGO map applications shared with the public....

Explore Philadelphia's most popular open geographic data in one easy to use mapping tool. This tool was built by the City's Office of Innovation and Technology's CityGeo team....

PhillyHistory.org is an online database of historic photographs and maps from the Philadelphia City Archives and four additional area institutions. A project of the City of...