making things. saying things.

Maps are Full of Lies, and Other Thoughts from NACIS

Some thoughts on making objective maps and making beautiful maps.

So You Want To Use A Metro Extract

An overview of what metro extracts are, the file formats we offer, and what you might want to know to work with them.

Apply to the GNOME FOSS Outreach Program with Humanitarian OpenStreetMap Team

The GNOME Project's outreach programs have been supporting underrepresented voices in open source since 2006. We're thrilled to support this initiative to increase diversity in Humanitarian OpenStreetMap. Deadline is October 22!

Getting Crafty With OSM Buildings

Over the 10-year history of OSM, a complex semantic ecosystem has emerged, repurposing the lines first used to draw streets to delineate everything else OSM volunteers wanted to draw. At this point, most of the streets of OpenStreetMap are no longer streets — they're buildings.

Join OSM!

OpenStreetMap needs you signed up, engaged with, and voting for the international foundation (as well as your local group)! Join up and help out where you can.

Highlights from the Code for America Summit

The Mapzen team had a great time attending this year's Code For America Summit. It was a great opportunity for us to learn more about work happening in civic tech, meet more members of the community, and look forward to the coming year partnerning with Code for America.

See you at Mapping Matters!

Join us October 2 to celebrate 596 Acres' amazing work using open data to open public space!

We're Donating Money to Code for America to Open Geodata. What Happened Next Will Shock You.

Well, it will shock you if you're shocked by open data initiatives and infrastructural support.