The Foundation Center brings you “Knowledge to Build On.” This organization publishes a multitude of resources & directories, maintains a network of nonprofit resource centers, and operates research, education, and training programs designed to advance knowledge of philanthropy at every level.
GrantSpace, the Foundation Center’s learning community, provides easy-to-use, self-service tools and resources to help nonprofits worldwide become more viable grant applicants and build strong, sustainable organizations.
NonProfit Expert This website, established in 1998, continues to provide a wealth of information on all aspects of the nonprofit sector. There are in-depth articles and links to outside resources on topics such as board development, grant writing, starting a nonprofit, and fundraising ideas.
Charity Village® This website, “Canada’s super site for the nonprofit sector,” includes plenty of general information about nonprofits.
The Idealist website offers a list of useful websites for nonprofit information.
National Center for Charitable Statistics: Nonprofit FAQ page has a table with over 100 topics arranged in 5 major categories – organization, management, regulation, resources, and development.
The Internet Public Library has an impressive list of web resources for nonprofits.
Michigan State University Libraries offers an extensive collection of internet resources including a list of newsletters (with some region-specific information).