- AScribe Newswire gives America's nonprofit and public sector organizations direct, immediate access to mainstream national media.
- California Charities database; California's Office of the Attorney General Registrar of Charitable Trusts. If you're having trouble finding a California foundation through Guidestar or other searches, this can sometimes help.
- European Foundation Center offers a search of European funders --- Funders Online
- Foundation Center offers their Foundation Finder
- Guidestar; a leading source of information on non profits. Access to foundation tax filings (990s).
- IdeaList; a project of Action Without Borders, you can search or browse through listings of over 58,000 nonprofit and community organizations in 165 countries. IdeaList's goal is to match volunteers with organizations.
- NOZA searchable donor database
- Women in Philanthropy
