Open source & local communities.

Open Seattle runs an open project night, hackathons, unconferences, and other events focused on building the civic technology community in Seattle and addressing local civic issues with technology.



    A collection of tools & resources for building Seattle-focused applications.

  • HeyDuwamish!

    A community of residents monitoring toxic waste cleanup & environmental health issues along the Duwamish River.


    A directory of open civic data resources for the Pacific Northwest.

Check out all our projects.


Keep track of all our events at

Monthly project sprint.

Every month we have a 2-3 week sprint for producing small projects. Teams declare their projects at our first event of the month at Socrata. These teams then launch their work at that month's Open Project Night.

Get involved.

Learn more about getting involved with Open Seattle by reading our guides.


Find out what's happening.

Learn about active projects, upcoming events, & news about local civic tech.

Code of Conduct.

All participants in Open Seattle events and activities, including our Slack group, GitHub issues and other forums, must follow our Code of Conduct. Read it at