| Associations on the Net | The Internet Public Library's collection of over 1100 Internet sites providing information about a wide variety of professional and trade associations, cultural and art organizations, political parties and advocacy groups, labor unions, academic societies, and research institutions. Can search by subject or name of organization. |
| Associations Online Search Directory (ASAE) | Search this directory of approximately 10,000 associations. Maintained by the American Society of Association Executives. |
| GuideStar | Information on the activities and finances of over 650,000 nonprofit organization, news on philanthropy, and resources for donors and nonprofits. |
| Idealist | Searchable directory of over 20,000 nonprofit Web sites in 140 countries. Links to "Tools for Nonprofits." Includes a Nonprofit Career Center with hundreds of job and internship listings. Find organizations, as well as volunteer opportunities. |
