The Foundation Center
http://fdncenter.org

Forum of Regional Associations of Grantmakers
http://www.givingforum.org/

Independent Sector
http://www.independentsector.org

Council on Foundations
http://www.cof.org

Chronicle of Philanthropy
http://philanthropy.com

Yahoo -- Philanthropy
http://dir.yahoo.com/Society_and_Culture/
Issues_and_Causes/Philanthropy

GuideStar
http://www.guidestar.org

Women & Philanthropy
http://www.womenphil.org

National Science Foundation
http://www.nsf.gov/funding/
research_edu_community.jsp

United Way National
http://national.unitedway.org/

Association of Small Foundations
http://www.smallfoundations.org

Grantmakers for Effective Organizations
http://www.geofunders.org

National Center for Family Philanthropy
http://www.ncfp.org

The ePhilanthropy Foundation
http://www.ephilanthropy.org/site/PageServer

FedMoney Site
http://www.fedmoney.org/