• GRANTS.GOV
This is the primary grant site for the entire federal government. It covers 26 federal grant-making agencies with information on 800 grant programs. Five agencies (Health and Human Services, Commerce, Education, Energy, Justice) have the capability to accept on-line applications through this Web site.

• FIRSTGOV.gov
The official web portal for the federal government is called FirstGov.gov. It has a comprehensive grants page that provides direct access to individual programs (e.g., Head Start or Refugee Resettlement), as well as to more general information about federal agencies and grant opportunities.

• Catalog of Federal Domestic Assistance
he Catalog of Federal Domestic Assistance is the official posting notice for all federal grant opportunities. It is easier to navigate electronically than in hard copy and also has some useful information for people just getting started writing grants.

• White House Office of Faith-Based and Community Initiatives
The White House Office of Faith-Based and Community Initiatives has clustered federal grant opportunities by topic (e.g. at-risk youth or housing) as opposed to the traditional method of only listing grants by agency.

• Welfare Information Network
The Welfare Information Network regularly updates a grants page that highlights current grant opportunities by federal agencies, occasionally including foundation grant announcements.