Opportunity
Simpler Grants.gov #nsf26506
NSF Solicitation for Secure Open-Source Ecosystem Grants (PESOSE)
Buyer
National Science Foundation
Posted
February 19, 2026
Respond By
September 01, 2026
Identifier
nsf26506
NAICS
541715
The U.S. National Science Foundation (NSF) is inviting proposals for the Pathways to Enable Secure Open-Source Ecosystems (PESOSE) program. - Government Buyer: - U.S. National Science Foundation (NSF) - Program Focus: - Supports the creation, management, and improvement of secure open-source ecosystems in science and engineering - Emphasizes strong governance, distributed development, and broad user communities - Eligible Applicants: - U.S.-based for-profit and non-profit organizations - Federal agencies, state and local governments, institutions of higher education, and tribal nations - Products/Services Requested: - Scoping and planning new open-source ecosystems - Establishing and expanding sustainable open-source ecosystems based on promising products - Improving safety, security, and privacy of existing open-source ecosystems - Covers open-source software, hardware, machine learning models, languages, and data platforms - Unique/Notable Requirements: - Focus on open-source products and ecosystem management, not specific commercial products - No specific OEMs or vendors named; emphasis is on open-source development and sustainability - Funding Details: - Estimated total funding: $40,000,000 - Approximately 60 awards expected
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. It funds the creation and management of open-source ecosystems, ensuring strong governance, distributed development, and broad user communities across academia, industry, and government. The program also aims to improve the safety, security, and privacy of these ecosystems by addressing significant vulnerabilities. Proposals are sought for scoping and planning new ecosystems, establishing and expanding sustainable ecosystems, and improving existing ones.