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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 958 185

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

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

    126 23

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

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

    377 45

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

    OpenSSF Working Group on Securing Software Repositories

    123 27

  5. tac tac Public

    Technical Advisory Council

    133 74

  6. foundation foundation Public

    OpenSSF Governance and Legal Docs

    73 18

Repositories

Showing 10 of 74 repositories
  • 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 958 Apache-2.0 185 66 (2 issues need help) 8 Updated Dec 9, 2025
  • scorecard Public

    OpenSSF Scorecard - Security health metrics for Open Source

    ossf/scorecard’s past year of commit activity
    Go 5,177 Apache-2.0 592 363 (12 issues need help) 7 Updated Dec 9, 2025
  • 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 422 Apache-2.0 67 12 6 Updated Dec 9, 2025
  • ossf/ossf-landscape’s past year of commit activity
    30 Apache-2.0 27 0 0 Updated Dec 9, 2025
  • 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 110 Apache-2.0 61 0 6 Updated Dec 9, 2025
  • osv-schema Public

    Open Source Vulnerability schema.

    ossf/osv-schema’s past year of commit activity
    Go 217 Apache-2.0 108 35 9 Updated Dec 9, 2025
  • gemara Public

    Minimizing rework for governance activities.

    ossf/gemara’s past year of commit activity
    Go 31 Apache-2.0 17 26 (1 issue needs help) 5 Updated Dec 9, 2025
  • scorecard-action Public

    Official GitHub Action for OpenSSF Scorecard.

    ossf/scorecard-action’s past year of commit activity
    Go 339 Apache-2.0 80 27 6 Updated Dec 8, 2025
  • scorecard-webapp Public

    Website and API for OpenSSF Scorecard

    ossf/scorecard-webapp’s past year of commit activity
    Go 29 Apache-2.0 31 31 (7 issues need help) 16 Updated Dec 8, 2025
  • fuzz-introspector Public

    Fuzz Introspector -- introspect, extend and optimise fuzzers

    ossf/fuzz-introspector’s past year of commit activity
    Python 434 Apache-2.0 77 105 (1 issue needs help) 4 Updated Dec 8, 2025