230+ Resources Greater Seattle Area Open Source

Build something
in Seattle.

The Pacific Northwest startup ecosystem, mapped: accelerators, funding, workspaces, mentorship. Your launchpad to the Seattle startup ecosystem.

Locations

Six cities. One ecosystem.

From Olympia to Everett: local programs, regional networks.

Featured Resources

Hand-picked resources to kickstart your journey

King

WTIA Founder Cohort

6-month curriculum, mentorship, and investor connections for seed-stage WA tech startups

WTIA Free
Accelerators Visit
King

SEA619

Multi-stage pathway from Association to Incubator to Accelerator for Black founders

PACE Free (year 1)
Accelerators Visit
King

Seattle Angel Conference

12-week competition with $150-200K investment to winner, SAC 25 active

Mossy Ventures Symbolic fee
Accelerators Visit
King

Startup425 Accelerator

15-week program with mentorship, no equity taken, 39 graduates to date

Startup425 + Founder … Free
Accelerators Visit

Missing something?

This list grows through contributions. If you know a free resource that helped you, add it. Takes 2 minutes.