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National Science Foundation (NSF) Cyberinfrastructure for Sustained Scientific Innovation (CSSI) Program is a grant from NSF that funds the development and deployment of sustainable software and data infrastructure to advance scientific discovery across research disciplines.
The CSSI program focuses on creating reusable, scalable cyberinfrastructure elements—including scientific software, data repositories, and computational platforms—that serve broad research communities rather than single projects. Priority is given to proposals that demonstrate broad community benefit, sustainability planning, and integration with existing NSF infrastructure investments.
Eligible applicants include universities, research institutions, and nonprofit organizations in the United States. Award amounts vary by project scope. Applications are submitted through NSF's FastLane or Research.
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Cyberinfrastructure for Sustained Scientific Innovation (CSSI) | NSF - U.S. National Science Foundation Cyberinfrastructure for Sustained Scientific Innovation (CSSI) NSF's implementation of the revised 2 CFR NSF Financial Assistance awards (grants and cooperative agreements) made on or after October 1, 2024, will be subject to the applicable set of award conditions, dated October 1, 2024, available on the NSF website .
These terms and conditions are consistent with the revised guidance specified in the OMB Guidance for Federal Financial Assistance published in the Federal Register on April 22, 2024.
Important information for proposers All proposals must be submitted in accordance with the requirements specified in this funding opportunity and in the NSF Proposal & Award Policies & Procedures Guide (PAPPG) that is in effect for the relevant due date to which the proposal is being submitted. It is the responsibility of the proposer to ensure that the proposal meets these requirements.
Submitting a proposal prior to a specified deadline does not negate this requirement.
Updates to NSF Research Security Policies On July 10, 2025, NSF issued an Important Notice providing updates to the agency's research security policies, including a research security training requirement, Malign Foreign Talent Recruitment Program annual certification requirement, prohibition on Confucius institutes and an updated FFDR reporting and submission timeline.
The CSSI program anticipates three classes of awards: Elements: These awards target small groups that will create and deploy robust services for which there is a demonstrated need, and that will advance one or more significant areas of science and engineering.
Framework Implementations: These awards target larger, interdisciplinary teams organized around the development and application of services aimed at solving common research problems faced by NSF researchers in one or more areas of science and engineering, and resulting in a sustainable community framework providing CI services to a diverse community or communities.
Transition to Sustainability: These awards target groups who would like to execute a well-defined sustainability plan for existing CI with demonstrated impact in one or more areas of science and engineering supported by NSF. The sustainability plan should enable new avenues of support for the long-term sustained impact of the CI.
NSF support for projects funded via CSSI Elements and Frameworks awards, or its predecessor programs, is intended to be of finite duration, limited to no more than 10 years. If appropriate for transition to sustainability, teams may request further one-time support through the “Transition to Sustainability” class of awards.
Prospective Principal Investigators (PIs) should be aware that this is a multi-directorate activity and that they are encouraged to submit proposals with broad, interdisciplinary interests. Further, not all divisions are participating at the same level, and division-specific priorities differ. Prospective PIs should also refer to the directorate/division-specific descriptions contained in Section II of this solicitation.
Finally , it is strongly recommended that prospective PIs contact program officer(s) from the list of Cognizant Program Officers in the division(s) that typically support the scientists and engineers who would make use of the proposed work, to gain insight into the priorities for the relevant areas of science and engineering to which their proposals should be responsive.
As part of contacting Cognizant Program Officers, prospective PIs are also encouraged to ascertain that the focus and budget of their proposed work are appropriate for this solicitation. General questions on the solicitation should be sent to CSSIQueries@nsf.
gov , or to the following Program Officers Program Director, CISE/OAC Program Director, CISE/OAC Program Director, CISE/OAC Program Director, CISE/OAC Program Director, CISE/OAC Program Director, CISE/OAC Program Director, BIO/DBI Program Director, ENG/CMMI Program Director, MPS/AST Program Director, MPS/DMS Program Director, MPS/PHY Program Director, MPS/PHY Program Director, SBE/BCS November 18, 2025 - NSF Cyberinfrastructure for Sustained Scientific Innovation… October 17, 2024 - CSSI (NSF 22-632) Program Webinar October 20, 2022 - Cyberinfrastructure for Sustained Scientific Innovation (… October 15, 2021 - Cyberinfrastructure for Sustained Scientific Innovation (… Awards made through this program Browse projects funded by this program Map of recent awards made through this program Directorate for Computer and Information Science and Engineering (CISE) Office of Advanced Cyberinfrastructure (CISE/OAC) Division of Computing and Communication Foundations (CISE/CCF) Division of Information and Intelligent Systems (CISE/IIS) Directorate for Biological Sciences (BIO) Directorate for STEM Education (EDU) Directorate for Engineering (ENG) Division of Electrical, Communications and Cyber Systems (ENG/ECCS) Division of Chemical, Bioengineering, Environmental and Transport Systems (ENG/CBET) Division of Civil, Mechanical and Manufacturing Innovation (ENG/CMMI) Directorate for Geosciences (GEO) Division of Atmospheric and Geospace Sciences (GEO/AGS) Division of Earth Sciences (GEO/EAR) Division of Ocean Sciences (GEO/OCE) Office of Polar Programs (GEO/OPP) Directorate for Mathematical and Physical Sciences (MPS) Division of Physics (MPS/PHY) Division of Astronomical Sciences (MPS/AST) Division of Mathematical Sciences (MPS/DMS) Division of Materials Research (MPS/DMR) Division of Chemistry (MPS/CHE) Directorate for Social, Behavioral and Economic Sciences (SBE)
According to the current listing, eligibility includes: Nonprofit organizations, universities, and research institutions. Confirm the full requirements in the official notice before applying.
National Science Foundation (NSF) Cyberinfrastructure for Sustained Scientific Innovation (CSSI) Program is funded by NSF. Verify program details on the funder's official page before applying.
Start from the official opportunity page linked in this listing — it carries the sponsor's submission instructions.
Human-Environment and Geographical Sciences Program (HEGS) is sponsored by National Science Foundation (NSF). Supports basic scientific research about the nature, causes, consequences, or evolution of the spatial dimensions of human behaviors, activities, and dynamics as well as their interactions with environmental and social processes across a range of scales. This includes research on socio-environmental systems and human-environmental interactions, which can encompass aspects of polycentric governance and common pool resources. The program has a new Transdisciplinary REsearch in Environmental Social Science (TREES) track for integrating social and environmental science.
Mathematical Biology Program is a grant from NSF that funds research in applied and computational mathematics with relevance to the biological and life sciences. The program supports projects across all areas of mathematical sciences that demonstrate strong integration between mathematics and biology. Successful proposals must show mathematical innovation, biological relevance and significance, and rigorous interdisciplinary methods. Projects may include development of new mathematical theories, methodologies, and computational tools aimed at advancing the life sciences. Eligible applicants are typically academic researchers and institutions. Award amounts and deadlines vary by submission cycle.
NVIDIA Graduate Fellowship Program is a grant from NVIDIA providing up to $60,000 per award to PhD students conducting research that advances accelerated computing and its applications. Now in its 25th year, the program invites nominations from doctoral students pushing the boundaries of artificial intelligence, robotics, autonomous vehicles, and related fields. Recipients receive not only research funding but also access to NVIDIA technology, products, and engineering expertise, along with a mandatory in-person summer internship. Students are nominated by their faculty advisors and selected based on academic achievement and research area alignment.
CalSEED Concept Award is a grant from the California Energy Commission that provides $150,000 in funding to early-stage clean energy innovators in California. The program targets individuals, businesses, and nonprofits developing hardware, software, or integrated solutions at Technology Readiness Levels 2-4. Eligible technology areas rotate each cycle and have included battery recycling and reuse, long-duration energy storage, medium- and heavy-duty vehicle electrification, industrial electrification, and advanced EV charging. Applicants must be located in California, have under $1 million in private funding, and propose innovations that benefit California ratepayers. Concept Award winners also receive professional development resources and access to accelerator programs, and may compete for a subsequent $450,000 Prototype Award.
NIST SBIR Phase I - Advanced Manufacturing and Robotics is sponsored by National Institute of Standards and Technology. NIST SBIR Phase I - Advanced Manufacturing and Robotics is a grant from the National Institute of Standards and Technology (NIST) that funds small businesses with innovative research and technology ideas in advanced manufacturing and robotics.
NSF's TechAccess: AI-Ready America commits up to $224 million to build one AI-readiness coordination hub in every state, DC, and U.S. territory. Round 1 closed July 16, 2026 — but Rounds 2 and 3 are still open, and most states are still up for grabs. Here is how the hub structure works, who is eligible, why cost sharing is banned, and how to position an institution to own its state's hub.
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