Pathways to Enable Secure Open-Source Ecosystems (PESOSE)
U.S. National Science Foundation · 26-506
In plain English
U.S. National Science Foundation is accepting applications for this grant until Mar 2, 2027 (111 days left).
The agency expects to make 60 awards and estimated total program funding is $40,000,000.
Eligibility is described in the listing text (the "Others" category).
The listing says cost sharing or matching is not required.
Built only from the fields in the Grants.gov listing. Always confirm on the official listing.
Key facts
| Status | Posted: open for applications |
|---|---|
| Close date | Mar 2, 2027 · 111 days left |
| Posted date | Feb 19, 2026 |
| Opportunity number | 26-506 |
| Agency | U.S. National Science Foundation · all U.S. National Science Foundation grants |
| Funding instrument | Grant |
| Category | Science and Technology and other Research and Development |
| Opportunity category | Discretionary |
| Award ceiling (max per award) | Not stated |
| Award floor (min per award) | Not stated |
| Estimated total program funding | $40,000,000 |
| Expected number of awards | 60 |
| Cost sharing or matching required | No |
| Assistance listing (CFDA/ALN) | 47.041 – Engineering 47.049 – Mathematical and Physical Sciences 47.050 – Geosciences 47.074 – Biological Sciences 47.075 – Social, Behavioral, and Economic Sciences 47.076 – STEM Education (formerly Education and Human Resources) 47.084 – NSF Technology, Innovation, and Partnerships |
| Last updated on Grants.gov | Oct 6, 2026 |
| Archive date | Oct 7, 2027 |
Who can apply
- Others (see the eligibility details in the listing)
Additional eligibility information (excerpt from the listing):
*Who May Submit Proposals: Proposals may only be submitted by the following: -For-profit organizations: U.S.-based commercial organizations, including small businesses, with strong capabilities in scientific or engineering research or education and a passion for innovation. -Non-profit, non-academic organizations: Independent museums, observatories, research laboratories, professional societies and similar organizations located in the U.S. that are directly associated with educational or research activities. …
Description
Excerpt from the official synopsis on Grants.gov (shortened; read the full text on the official listing):
The Pathways to Enable Secure Open-Source Ecosystems (PESOSE) program supports the translation of open-source science and engineering-focused research products into safe and sustainable ecosystems that address national and societal challenges. Open-source tools such as software, hardware, machine learning models, languages, and data platforms are designed to be shared as they are publicly-accessible and modifiable. These tools spark innovation in critical fields as varied as artificial intelligence (AI) and cloud computing, banking, healthcare, research, education, next-gen manufacturing, mobility, and National security (including cybersecurity). PESOSE supports the creation of managing organizations for these ecosystems, ensuring strong governance, distributed development, and broad user communities across academia, industry, and government. …
Read the full listing on Grants.gov → · Agency's announcement page
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