Celebrate the 15th OSM anniversary with a mapathon party!

Crowd2Map with a OpenStreetMap is inviting you to join us from every where in the world for a birthday mapathon! On August 10th, 11am GMT, we will celebrate 15 years of OSM, with local mapping parties & online!

Join & support us from wherever you are!

You’re invited to map one of these tasks, although any point added in Tanzania with the tag #TanzaniaDevelopmentTrust or #crowd2map in the 24 hour period from 11am GMT on Saturday 10th August until Sunday 11th August will count.

Volunteers’ contribution in 2019 January – July

The database shows the number of contributions with the #tanzaniadevelopmenttrust and #crowd2map hashtag from January 1 to July 31, 2019. The data is generated with osm-stats from American Red Cross.

Hashtagcrowd2maptanzaniadevelopmenttrust
Roads Added (km)1080.523504.11
Roads Modified (km)377.11281.36
Buildings Added11126657024
Buildings Modified230036827
Waterways Added (km)71.88183.15
POIs Added165574