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"Pathways to Enable Secure Open-Source Ecosystems (PESOSE)" is currently closed and not accepting applications.
Pathways to Enable Secure Open-Source Ecosystems (PESOSE) is sponsored by NSF - U.S. National Science Foundation. Funds projects translating open-source research into secure and sustainable ecosystems addressing national challenges.
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Pathways to Enable Secure Open-Source Ecosystems (PESOSE) | NSF - U.S. National Science Foundation Pathways to Enable Secure Open-Source Ecosystems (PESOSE) Important information for proposers and award recipients All proposals must be submitted in accordance with the requirements specified in the funding opportunity and in the Proposal & Award Policies & Procedures Guide (PAPPG) and its supplements .
All NSF grants and cooperative agreements are subject to the applicable set of NSF award terms and conditions . NSF has updated its research security policies for NSF funded projects. Supports planning, building and securing sustainable open-source ecosystems that translate research tools into widely used, resilient technologies.
These efforts strengthen U.S. innovation, economic competitiveness and national security. Supports planning, building and securing sustainable open-source ecosystems that translate research tools into widely used, resilient technologies. These efforts strengthen U.S. innovation, economic competitiveness and national security.
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.
PESOSE also supports enhancements to the safety, security, and privacy of Open-Source Ecosystems (OSE) by addressing significant vulnerabilities, both technical and socio-technical, to improve the resistance of the ecosystem against threats.
This solicitation seeks three types of proposals, allowing teams to propose specific activities to: 1) scope and plan the establishment of an OSE, 2) establish and expand a sustainable OSE based on a robust, promising open-source product that meets an emergent societal or national need, and 3) improve the safety, security, and privacy of an existing OSE and its products.
Updates and announcements NSF Innovation Corps training for Pathways to Enable Secure Open-Source Ecosystems recipients Pathways to Enable Secure Open-Source Ecosystems (PESOSE) Resources The contact information below is accurate at the time of publishing. See the program page linked at the top of this solicitation for up-to-date contacts, as they may have changed.
General inquiries regarding this program should be made to: PESOSE Program, telephone: (703) 292-8804, email: PESOSE@nsf.
gov August 12, 2026 - NSF PESOSE Proposal Preparation Webinar July 21, 2026 - NSF PESOSE Q&A Discussion June 23, 2026 - Introduction to NSF PESOSE Additional program resources Information for Prospective New Awardees Awards made through this program Browse projects funded by this program Map of recent awards made through this program Directorate for Biological Sciences (BIO) Directorate for Computer and Information Science and Engineering (CISE) Directorate for STEM Education (EDU) Directorate for Engineering (ENG) Directorate for Geosciences (GEO) Directorate for Mathematical and Physical Sciences (MPS) Directorate for Social, Behavioral and Economic Sciences (SBE) Directorate for Technology, Innovation and Partnerships (TIP)
According to the current listing, eligibility includes: Academic institutions, non-profits, and industry partners. Confirm the full requirements in the official notice before applying.
The published deadline was September 1, 2026, which has passed. Check the official notice for any future application windows before investing time in a proposal.
Pathways to Enable Secure Open-Source Ecosystems (PESOSE) is funded by NSF - U.S. National Science Foundation. Verify program details on the funder's official page before applying.
Yes — this listing is flagged as national in scope, so applicants across the U.S. may apply, subject to the sponsor's other eligibility criteria.
Start from the official opportunity page linked in this listing — it carries the sponsor's submission instructions.
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