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@ossf

Open Source Security Foundation (OpenSSF)

OpenSSF is a community of software developers and security engineers who are working together to secure open source software for the greater public good.
OpenSSF Logo

OpenSSF is committed to working both upstream and with existing communities to advance open source security for all.

We foster collaboration, establish best practices, and develop innovative solutions to secure the development, maintenance, and consumption of open source software. OpenSSF is part of the nonprofit Linux Foundation.

Working Groups:

For any questions, concerns, reports, etc., please email [email protected].

Get Involved

Membership

We encourage all individual contributors to work with their employers to become members. We aim to grow an active, healthy community of contributors, reviewers, and code owners. Learn more about the requirements and responsibilities of membership in our Membership page or see current members.

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  1. wg-best-practices-os-developers wg-best-practices-os-developers Public

    The Best Practices for OSS Developers working group is dedicated to raising awareness and education of secure code best practices for open source developers.

    JavaScript 979 187

  2. ai-ml-security ai-ml-security Public

    Working Group on Artificial Intelligence and Machine Learning (AI/ML) Security

    139 22

  3. wg-securing-critical-projects wg-securing-critical-projects Public

    Helping allocate resources to secure the critical open source projects we all depend on.

    382 49

  4. wg-securing-software-repos wg-securing-software-repos Public

    OpenSSF Working Group on Securing Software Repositories

    125 29

  5. tac tac Public

    Technical Advisory Council

    134 75

  6. foundation foundation Public

    OpenSSF Governance and Legal Docs

    74 18

Repositories

Showing 10 of 74 repositories
  • malicious-packages Public

    A repository of reports of malicious packages identified in Open Source package repositories, consumable via the Open Source Vulnerability (OSV) format.

    ossf/malicious-packages’s past year of commit activity
    Go 435 Apache-2.0 71 14 4 Updated Jan 17, 2026
  • wg-best-practices-os-developers Public

    The Best Practices for OSS Developers working group is dedicated to raising awareness and education of secure code best practices for open source developers.

    ossf/wg-best-practices-os-developers’s past year of commit activity
    JavaScript 979 Apache-2.0 187 68 (2 issues need help) 10 Updated Jan 16, 2026
  • tac Public

    Technical Advisory Council

    ossf/tac’s past year of commit activity
    134 75 39 (6 issues need help) 12 Updated Jan 16, 2026
  • fuzz-introspector Public

    Fuzz Introspector -- introspect, extend and optimise fuzzers

    ossf/fuzz-introspector’s past year of commit activity
    Python 444 Apache-2.0 78 107 (1 issue needs help) 6 Updated Jan 16, 2026
  • cve-bin-tool Public

    The CVE Binary Tool helps you determine if your system includes known vulnerabilities. You can scan binaries for over 350 common, vulnerable components (openssl, libpng, libxml2, expat and others), or if you know the components used, you can get a list of known vulnerabilities associated with an SBOM or a list of components and versions.

    ossf/cve-bin-tool’s past year of commit activity
    Python 1,612 GPL-3.0 595 157 (1 issue needs help) 61 Updated Jan 15, 2026
  • wg-supply-chain-integrity Public

    Our objective is to enable open source maintainers, contributors and end-users to understand and make decisions on the provenance of the code they maintain, produce and use.

    ossf/wg-supply-chain-integrity’s past year of commit activity
    195 Apache-2.0 36 10 1 Updated Jan 15, 2026
  • wg-bear Public

    The BEAR (Belonging, Empowerment, Allyship, and Representation) WG, formerly DEI, was formed in December 2023 to enhance representation and cybersecurity workforce effectiveness.

    ossf/wg-bear’s past year of commit activity
    10 Apache-2.0 5 8 2 Updated Jan 14, 2026
  • osv-schema Public

    Open Source Vulnerability schema.

    ossf/osv-schema’s past year of commit activity
    Go 226 Apache-2.0 109 47 10 Updated Jan 14, 2026
  • ossf/security-baseline’s past year of commit activity
    Go 139 Apache-2.0 37 56 (5 issues need help) 14 Updated Jan 13, 2026
  • alpha-omega Public

    Our mission is to catalyze sustainable improvements to critical open source software projects and ecosystems.

    ossf/alpha-omega’s past year of commit activity
    Open Policy Agent 111 Apache-2.0 62 0 0 Updated Jan 13, 2026