Foundation Center– A leading database of philanthropic resources and U.S. and global grantmakers.
Grants.gov– The government website where federal agencies post discretionary funding opportunities and grantees find and apply for them.
Form 990 Online– A simple way to for nonprofits to prepare, e-file and print your Form 990 and state registration forms.
Charity Navigator– Evaluates charities of all types to help donors ensure they are donating to charities committed to its cause.
Grant Space– Provides easy-to-use tools to help nonprofits become more viable grant applicants and build stronger organizations.
Guide Star– A large database of up-to-date information on nonprofit organizations.
Tech Mission– Matches individuals to volunteer and intern with nonprofit organizations in many areas in the U.S., especially urban and Christian organizations.
Board Source– A resource to improve nonprofits effectiveness by strengthening nonprofit boards.