U.S. National Science Foundation (NSF)

United StatesOfficial website: nsf.gov ↗

An independent U.S. federal agency that funds basic research and education across most fields of science and engineering. This page also lists its small-business (SBIR/STTR) calls.

349 open calls · 1 upcoming call

Open calls

Closing soonest first, then calls with no fixed deadline. Updated November 4, 2026.

Upcoming

Announced by U.S. National Science Foundation but not open for applications yet, so not counted above. Dates are the funder's estimates.

Recently closed (2)

Calls whose deadline passed in the last 90 days. Many funders run the same call every year.

We list calls from U.S. National Science Foundation's public announcements and official feeds and link each one to its source. Always check the funder's own page before you apply. About funder pages

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