- OpenStreetMap
- A rights-free map of the world being created by volunteers using copyright free sources and GPS tracks. Includes an interactive map and details of how to get involved. - Best of OpenStreetMap - Site showcasing the best and most significant parts of the free world map.
- Map Kibera - Project to map one of Africa's largest slums in Nairobi, Kenya. Includes the map, a project wiki, dicussion groups and photos.
- Mappa Mercia - Project to help develop and expand OpenStreetMap in the West Midlands region of the UK. Includes an online map, error reporting tool, details of projects, blog, and how to get involved.
- Open Maps - Blog from Chris Hill detailing his progress with editing and using OpenStreetMap.
- OpenStreetMap Foundation - An international non-profit organisation supporting the OpenStreetMap project. Includes constitution, details of meetings, finances, working groups, and a list of board members and officers.
- OpenStreetMap: Using and Improving the Free World Map - Website to accompany a German-language book about the OSM project. [Some site content in German only.]
- State of the Map - Annual conference about the progress of OpenStreetMap and free geo-data in general. Programme, registration information, and video of previous talks.
- Wikipedia: OpenStreetMap - Encyclopedia article about the open mapping project, with history, details of techniques, licensing information, and usage.
Media publications
- BBC News: The Volunteer Mappers who Helped Haiti - Slide-show article covering the efforts of OpenStreetMap mappers to improve the coverage of the area hit by the Haiti earthquake using donated aerial photography. (Published 2010-02-24 00:00:00)
- BBC News: US City to Start Giant 'Mapathon' - Atlanta aims to become the world's most digitally mapped city with a project that will map every road, trail, bike path and tree. (Published 2009-10-14 00:00:00)
- Guardian.oc.uk: Meet the Wikipedia of the mapping world - Article by Victor Keegan, explaining how OpenStreetMap volunteers are mapping the world, with particular reference to Haiti. (Published 2010-02-04 00:00:00)
- InfoWorld: OpenStreetMap Attracts 200,000 Volunteers - News article about the project and its recent growth. (Published 2010-01-06 00:00:00)
- Pocket-Lint: OpenStreetMap - Crowd sourced cartography set to re-map the world - Dan Sung interviews OSM founder Steve Coast, who explains how the project will make maps free and satnavs much cheaper. (Published 2009-08-26 00:00:00)
- The Guardian: So Where Does OpenStreetMap Go Next? - The online mapping answer to Wikipedia has achieved great things in its first five years. So what now? (Published 2009-08-05 00:00:00)