Foundation Center was the largest source of information about philanthropy globally, and GuideStar was the largest source of information on U.S. nonprofit organizations. In 2019, the two organizations joined forces to become Candid.

FedConnect helps over 100,0000 vendors and grant applicants find, respond to and win opportunities for contracts, grants, and other types of assistance funding.

An online digital repository of foundation-sponsored research reports and publications covering the full scope of philanthropic activity.

The Grants.gov program management office was established, in 2002, as a part of the President's Management Agenda. Managed by the Department of Health and Human Services. Its mission is to provide a common website for federal agencies to post discretionary funding opportunities and for grantees to find and apply to them.

NSPIRES is the NASA Solicitation and Proposal Integrated Review and Evaluation System. This web-based system supports NASA research from the release of solicitation announcements through the peer review and selection processes. The system is intended to facilitate conducting of research business with NASA for the science and technology research community.

Database of all federal programs available to state and local governments (including the District of Columbia); federally-recognized Indian tribal governments; territories (and possessions) of the United States; domestic public, quasi-public, and private profit and non-profit organizations and institutions; specialized groups; and individuals. ~22,000 described.

Philanthropy News Digest publishes RFPs and notices of awards as a free service for grant-making organizations and nonprofits. Also lists RFPs for grants to individuals and their upcoming deadlines.

Grants, internships, and graduate and post-graduate fellowships in all subject areas. Search by keyword; set alerts for relevant opportunities.