Mapping the age of buildings in Seoul with Tangram, TileStache, QGIS and turf.js.

Making something less complicated is complicated.

We've been busy updating neighbourhood records in Who's On First - check them out!

The multifaceted maps we make simply reflect the weird and wonderful territory they represent. CSV and GeoJSON make it easier.

Mapzen loves open-data and we're proud to help OpenAddresses expand coverage to 400+ million addresses world-wide.

Filling in the gaps in open address data.

We made a handy tool that lets you download the descendants of a place as GeoJSON.

Some interesting things made by people using tools and data from Mapzen.