Department of Energy, Office of Science

• Grants & Contract Support - Funding Opportunity Announcements (FOA), the Grant Process, Grant Policy & Guidance, Contract Information, and Resources.

Environmental Protection Agency (EPA)

• Applying for a Grant
• Tips on Writing a Grant Proposal

National Institutes of Health (NIH)

• NIH Grant Tutorials - Resources and tips for writing proposals for NIH funding.

National Science Foundation (NSF)

• NSF Publication: A Guide for Proposal Writing
  • Table of Contents  | download the PDF

Grants.gov
The primary portal to register, identify, and apply for federal government agency grants.  See the Learning Grants tab for information about the grant lifecycle, grant terminology, and more.  Learn  more about Workspace within Grants.gov - a collaborative space for completing grant application materials