Noisebridge is a non-profit 501(c)(3) educational membership organization, incorporated in the state of California.
Noisebridge's EIN is 26-3507741.
Scans of our complete 501(c)(3) application are available for download.
Please feel free to use them and hack them for your group's 501(c)(3) application.
Our bylaws are also freely accessible to all.
i3 Detroit is a hackerspace that is filing for 501(c)(3) status. They have a very nice tutorial on the 501(c)(3) process: