USAspending / List federal agencies with budget totals

Every top-tier U.S. federal agency (about 110) with its toptier code, abbreviation, name, active fiscal year and quarter, budget authority, obligated and outlay amounts, and share of the federal budget. Use the names in usaspending-award-search agency filters. Takes no required input (about 50 KB). Free. Source: USAspending.gov (U.S. Department of the Treasury), U.S. government data in the public domain.