Pathways to Enable Secure Open-Source Ecosystems
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, langu
| Agency | U.S. National Science Foundation |
|---|---|
| Status | Posted |
| Opportunity number | 26-506 |
| Posted date | 02/19/2026 |
| Application deadline | Sep 01, 2026 12:00:00 AM EDT |
| Award ceiling | none |
| Award floor | none |
| Estimated total funding | 40,000,000 |
| Expected number of awards | 60 |
| Who can apply | *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 researc |
| Assistance Listing (CFDA) | 47.084, 47.075, 47.049, 47.074, 47.076, 47.050, 47.041, 47.070 |
| Description | 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 |
| Agency contact | grantsgovsupport@nsf.gov |
| Official listing | https://www.grants.gov/search-results-detail/361333 |