the atlas of change that everyone can edit

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Join the Initiatives

Our Community Initiative leads are taking on huge data collection tasks, like mapping the history of human settlement and country borders. Click on one below, and start contributing...


Get Started

MapStory is an open platform for organizing our knowledge about how the world changes over time and space. Click on a link to the right, and learn how you can start contributing observations of your own.

Get Skills

MapStory is for everyone, not just web developers and GIS experts. We work hard to get you the help you need to improve and succeed.

Get Involved

Join with your neighbors, or collaborators on another continent, to launch initiatives, help others, write code and govern the mapstory.org platform. We’re a community, not a company.

Our Sponsors

Organizations like these drive innovation in the MapStory codebase, content and community. Join them.