Mapping software should be simple

Protomaps develops tools and services for open data, such as OpenStreetMap, USGS datasets, and satellite imagery. Sign up to be the first to know about new features and tools.


Minutely Extracts

Download free on-demand OpenStreetMap data for any selected region. Edits from appear almost immediately.

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Open Source

OSM Express

A fast, lightweight database format for OpenStreetMap, with support for spatial indexing and transactions.

GitHub Quick Start Guide

Application Development

Protomaps has years of experience running reliable, planet-scale GIS web services. Get in contact for open source support, OpenStreetMap consulting, and custom application development.