Terrastories is an open-source geostorytelling application for mapping, managing and sharing place-based stories. The application is being co-created with Indigenous and other local communities to …

Upload your own aerial images, position (rubbersheet) them in a web interface over existing map data, and share via web or composite and export for print.

Here you find the public transportation data sets from Zurich, San Francisco and Geneva for the www.urbandatachallenge.org Read the Getting Started Guide and download the data.

415 Tiles is an open-source map designed for San Francisco bicyclists.

Process for importing Portland area buildings and addresses to OpenStreetMap

OpenStreetMap changeset sync to PostgreSQL using the minute diffs

working with osm history files