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Pathways to Enable Secure Open-Source Ecosystems is sponsored by National Science Foundation (NSF). Supports establishing, expanding, and securing open-source ecosystems for science and engineering, including infrastructure to make open-source research products safe, sustainable, and widely accessible.
[2] This can strongly support open science data sharing infrastructure when framed around open-source platforms and tools for data access, interoperability, and security. [2]
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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 Supplemental information on PESOSE experiential activities and budget preparation 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 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: Universities and colleges, non-profit and for-profit organizations, and other entities eligible under NSF guidelines (see solicitation for full list). Confirm the full requirements in the official notice before applying.
The current listing shows up to $40,000,000 total program funding; individual award amounts vary. Verify award ceilings, matching requirements, and allowable costs in the official notice.
Applications for Pathways to Enable Secure Open-Source Ecosystems are due September 1, 2026. Build your timeline backwards from this date to cover registrations, approvals, and final submission checks.
Pathways to Enable Secure Open-Source Ecosystems is funded by National Science Foundation (NSF). 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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