Formerly GrantSpace, provides easy-to-use, self-service tools and resources to help nonprofits become more viable grant applicants and build strong, sustainable organizations. Note: some of the features of this website may require free registration.
A complete source of information about U.S. charities and other nonprofit organizations with a database of more than 1.8 million IRS-recognized organizations. It may be used to benchmark your own nonprofit's performance or research the sector. Note: some features of this website may require free registration.
Tax information for charities and other nonprofits.
National Council of Nonprofits
The nation’s largest network of nonprofits. With State Associations and 25,000-plus members, it serves as a central coordinator to help nonprofits increase their collective impact in local communities.