• List of US Federal Government Aid Agencies
• List of US Federal Government Grant Opportunities
• List of US Federal Government Funding Programs
• Eligible Applicants Sorted by Organizational Categories
• Functional Categories of US Federal Government Assistance
• Categories of Eligible Beneficiaries
• Student Financial Aid, Scholarships, Fellowships, Traineeships
• Government Grants and Loans for Business
• Government Grant and Loan Programs for Health
• Government Grant and Loan Programs for Housing
• Government Grant, Loan, Federal Assistance, and Mortgage Insurance Programs for Real Estate

Data sources:

• Catalog of Federal Domestic Assistance (CFDA)
• Grants.gov