International

Europa World Year Book International Organizations

Browse a directory of UN and other international organizations.

Directory of Development Organizations

Resource guide to development organizations on the Internet.

Global Legal Information Network (GLIN)

Search for official texts of laws, regulations, judicial decisions, and other complementary legal sources contributed by governmental agencies and international organizations.

NGO Database (Duke University)

Selective listing of NGOs with descriptions and contact information.

Registry of Civil Society Organizations within the OAS 

Lists organizations that are approved by the Pernament Council for participation in Organization of American States activities.

Union of International Associations 

Some free databases and other information available on their website.

U. S. Nonprofits

Associations Unlimited

Information about associations and professional societies, listings for nonprofit membership organizations; included international organzations as well.

National Center for Charitable Statistics

National clearinghouse of data on the U.S. nonprofit sector; a project of the Urban Institute.

USA.gov for Nonprofits

Official information and servides from the U.S. government for nonprofits.

Grantsmanship Center Archives

Information on how to plan, manage, staff and fund the programs of nonprofit organizations and government agencies.

GuideStar
Up-to-date information available on more than 1.8 million nonprofits.

BoardSource

Offers resources related to nonprofit boards.