GuideStar
A free searchable database with information on more than 620,000 American charities and nonprofit organizations.

HandsNet
HandsNet empowersorganizations to effectively integrate online communications strategies,strengthening their program and policy work on behalf of children, familiesand people in need.

IPL Associations on the Net (AON)
IPL Associations on the Net (AON)

Idealist
Welcome to Idealist.org

Institute for Global Communications
Provided for people who are changing theworld by the only nationwide, nonprofit, unionized online service in the U.S.

International Organization / NGO Web Sites
International Organization / NGO Web Sites: Index page

Internet Nonprofit Center
The Internet Nonprofit Center is the home of the Nonprofit FAQ, the Nonprofit Locator,and the Form 990 Project.

Jewish Organizing Initiative
Jewish Organizing Initiative

Michigan Comnet
Michigan Comnet is a community of individuals and organizations concerned with increasing communication and information sharing within the nonprofit public service sector.