Startup
 

Free Management Library Carter McNamara's awesome site's take on nonprofit startup. As always, begin here.
Step-By-Step Startup A great set of resources from the New Orleans Public Library
About.com A great set of resources from Joanne Fritz at About.com
The IRS FAQ The US government page on how to start a nonprofit
State Registration Before you go for your (c)(3), you have to incorporate in your state. Here's a listing with additional resources