Grants.gov — Grants.gov is the source to find and apply for federal government grants and is the most comprehensive source for information on federal funding opportunities. This web portal posts federal discretionary grants for all of the 26 federal grant-making agencies.
Federal Business Opportunities — FedBizOpps is the single government-wide point-of-entry for federal government procurement opportunities. Research and development opportunities are also listed and are best found using the Advanced Search (choose “Classification Code A – Research and Development” on the Advanced Search page). Registration for FedBizOpps is not necessary to search for opportunities.
Foundation Directory Online (FDO) — News and a searchable database containing information on nearly 600 grant-making foundations and companies.