Nonprofit Management Solutions | NMS
Since 1984, training over 90,000 nonprofit practitioners to run their organization more effectively through workshops and consulting.
RyanNonprofits | RyanNonprofits
Specializes in helping leaders of small nonprofits create and execute strategic plans. The business is mission-driven and highly focused to catalyze the success of small nonprofits through strategic planning.
IRS | www.irs.gov
Yes, it sounds crazy! But the IRS website has great user-friendly info on exempt organizations, forms, donor rules, etc.
California Attorney General | https://oag.ca.gov/charities
Lots of good information about forming your charity in California, checking NP status, raffle rules, etc.