Nonprofit Explorer is a free public database from ProPublica that lets users browse millions of annual returns filed by U.S. tax-exempt organizations and view executive compensation, revenue, expenses, and audit information.
It covers the 27 subsections of section 501(c) and includes full Form 990, 990EZ, 990PF documents in PDF and digital formats, full-text search across filings, a related 527 Explorer for political nonprofits, email alerts, and a public API for programmatic access.

Searchable database of U.S. tax-exempt organization Form 990 filings and financial data.


Programmatic API exposing every grant in e-filed US 990 filings as a funder-grantee graph.


Public charity rating and discovery platform evaluating U.S. nonprofits across four scoring beacons.



CharityWatch Charity Reports deliver letter-grade ratings and financial analyses of U.S. charities for donors.


Grant prospect research and tracking platform for nonprofits seeking U.S. foundation funding.


BBB Accredited Charity Seal evaluates charities against 20 accountability standards and licenses the seal for accredited charities to display.


Self-paced online fundraising e-courses from AFP, spanning a fundamentals program and partner-built course libraries.


Free online learning platform offering courses, videos, and certificates for nonprofit professionals, board members, and volunteers.
Programmatic API exposing every grant in e-filed US 990 filings as a funder-grantee graph.

Public charity rating and discovery platform evaluating U.S. nonprofits across four scoring beacons.

GrantNav is a free search and exploration service for UK grant data published to the 360Giving Standard.

CharityWatch Charity Reports deliver letter-grade ratings and financial analyses of U.S. charities for donors.

Grant prospect research and tracking platform for nonprofits seeking U.S. foundation funding.

BBB Accredited Charity Seal evaluates charities against 20 accountability standards and licenses the seal for accredited charities to display.

Self-paced online fundraising e-courses from AFP, spanning a fundamentals program and partner-built course libraries.

Free online learning platform offering courses, videos, and certificates for nonprofit professionals, board members, and volunteers.
