an open-source mapping lab

Mapzen builds open-source mapping tools and collaborates on open geodata initiatives.

It's 82 degrees outside, all the palm trees are imported, and the auditorium seats a thousand. I try to relax.

Mapzen Search is our modern geographic search service based entirely on open-source tools and powered by entirely open data. And as of today it's open for all to use. You can sign up for an API key and start building with it today.

We're taking the occasion to take a look back at some of the ideas and people who made Mapzen Search what it is today.

If you’re not from New York you may not appreciate just how wrong the current data for the Gowanus Canal is. ... This sort of discrepancy is exactly what the spelunker was built to uncover.