OpenStreetMap
Also known as OSM
Free map of the world built by volunteers, under the Open Database License.
At a glance
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- OpenStreetMap is a map database maintained by volunteers, freely licensed under the Open Database License and used for online maps, turn-by-turn navigation and humanitarian work.
- Steve Coast created it in 2004, when the UK's Ordnance Survey did not release its data under a free licence.
Key facts
Connections
Founded by
Links
Sources
Last checked against its sources today
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How recent
The line under a date fills as time passes: empty when new, then one equal share each for a day, a week, a month and a year. For episodes and other items it is full at 2 years; for "last checked", at a year. A striped line means the date is known only to the month or year.