making things. saying things.

A Frighteningly Open Halloween Map

Once upon a midnight dreary, while I pondered, weak and weary,
Over many a quaint and curious volume of forgotten lore —
While I nodded, nearly napping, suddenly there came a tapping,
As of some one gently mapping, mapping at my chamber door.
Tis some visitor, I muttered, mapping at my chamber door —
Only this and nothing more.

Viva La Revolution de Carta

Come meet Mapzen at the Open Government Partnership Summit in Mexico City, October 27-29th.

Escape from Mercator

While Web Mercator is useful, we've been using the Tangram web-mapping library to explore other options.

Open-source software, open-source documentation

Mapzen has a website for documentation. Find out how we built it and how you can contribute.

Scenes from a SIGGRAPH

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

This is It: Mapzen Search is now live

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.

Spelunker - Jumping into Who's On First

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.

Making the Grade — Worldwide Elevation-Influenced Bicycle Routing

The hills are alive with the sound of bicyclists using elevation and grade factors