Grant opportunity
Pathways to Enable Secure Open-Source Ecosystems (PESOSE)
NSF programme supporting sustainable and secure open-source ecosystems for science and engineering research products.
- Funder
- U.S. National Science Foundation (NSF)
- Deadline
- Sep 1, 2026
- Award
- Track 1 up to USD 300,000; Tracks 2 and 3 up to USD 1.5 million
- Applicant
- Research Team
- Discipline
- STEM
- Region
- United States
- Posted
- May 13, 2026
Call summary
Overview
PESOSE supports the translation of science and engineering research products into safe, sustainable open-source ecosystems with strong governance, broad communities, and security practices.
Who can apply
- Applicants must follow NSF solicitation NSF 26-506 and PAPPG requirements.
- Teams may propose planning, ecosystem establishment, or safety/security enhancement tracks.
- Institutional and PI eligibility are detailed in the NSF solicitation.
What it supports
- Open-source software, hardware, models, languages, data platforms, and related ecosystems.
- Governance, sustainability, distributed development, user communities, safety, security, and privacy.
Funding and duration
NSF expects 40 to 60 awards; Track 1 awards may be up to USD 300,000, and Tracks 2 and 3 may be up to USD 1.5 million.
Application deadline
Sep 1, 2026
How to apply
Submit through NSF systems by 1 September 2026 at 5:00 p.m. local time of the submitting organization.
Call details
About the opportunity
PESOSE supports the translation of science and engineering research products into safe, sustainable open-source ecosystems with strong governance, broad communities, and security practices.
U.S. National Science Foundation (NSF) lists this opportunity for Research Team, STEM, United States.
This listing is written for researchers, students, universities, NGOs, research teams, policy professionals and academic institutions searching for STEM grants, fellowships, scholarships, conferences, workshops and funding opportunities in United States contexts.
Eligibility
Applicants must follow NSF solicitation NSF 26-506 and PAPPG requirements.
Teams may propose planning, ecosystem establishment, or safety/security enhancement tracks.
Institutional and PI eligibility are detailed in the NSF solicitation.
Funding and benefits
NSF expects 40 to 60 awards; Track 1 awards may be up to USD 300,000, and Tracks 2 and 3 may be up to USD 1.5 million.
Themes and supported activities
Open-source software, hardware, models, languages, data platforms, and related ecosystems.
Governance, sustainability, distributed development, user communities, safety, security, and privacy.
Deadline and timeline
Application deadline: Sep 1, 2026.
Applicants should confirm the exact deadline time, time zone, required documents, portal steps and any institutional approvals on the official call page before submitting.
How to apply
Submit through NSF systems by 1 September 2026 at 5:00 p.m. local time of the submitting organization.
Before applying, check eligibility rules, budgets, attachments, page limits, partner requirements, cost-share conditions and whether the opportunity uses an expression of interest, full proposal, registration or nomination stage.