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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 976 187

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

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

    136 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.

    381 49

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

    OpenSSF Working Group on Securing Software Repositories

    125 28

  5. tac tac Public

    Technical Advisory Council

    134 74

  6. foundation foundation Public

    OpenSSF Governance and Legal Docs

    74 18

Repositories

Showing 10 of 75 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 433 Apache-2.0 71 14 4 Updated Jan 12, 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 1,604 GPL-3.0 592 156 (1 issue needs help) 64 Updated Jan 12, 2026
  • ossf/ossf-landscape’s past year of commit activity
    30 Apache-2.0 27 0 2 Updated Jan 11, 2026
  • gemara Public

    Minimizing rework for governance activities.

    ossf/gemara’s past year of commit activity
    Go 36 Apache-2.0 17 29 (1 issue needs help) 3 Updated Jan 10, 2026
  • scorecard Public

    OpenSSF Scorecard - Security health metrics for Open Source

    ossf/scorecard’s past year of commit activity
    Go 5,226 Apache-2.0 599 359 (11 issues need help) 15 Updated Jan 9, 2026
  • scorecard-action Public

    Official GitHub Action for OpenSSF Scorecard.

    ossf/scorecard-action’s past year of commit activity
    Go 348 Apache-2.0 81 28 9 Updated Jan 9, 2026
  • fuzz-introspector Public

    Fuzz Introspector -- introspect, extend and optimise fuzzers

    ossf/fuzz-introspector’s past year of commit activity
    Python 442 Apache-2.0 78 107 (1 issue needs help) 6 Updated Jan 9, 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 976 Apache-2.0 187 68 (2 issues need help) 7 Updated Jan 8, 2026
  • ossf/security-baseline’s past year of commit activity
    Go 139 Apache-2.0 37 56 (5 issues need help) 6 Updated Jan 8, 2026
  • sbom-everywhere Public

    Improve Software Bill of Materials (SBOM) tooling and training to encourage adoption

    ossf/sbom-everywhere’s past year of commit activity
    Vue 111 Apache-2.0 40 22 (2 issues need help) 8 Updated Jan 7, 2026