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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 operations@openssf.org.

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 982 186

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

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

    141 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 48

  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

    133 75

  6. foundation foundation Public

    OpenSSF Governance and Legal Docs

    74 18

Repositories

Showing 10 of 75 repositories
  • scorecard Public

    OpenSSF Scorecard - Security health metrics for Open Source

    ossf/scorecard’s past year of commit activity
    Go 5,252 Apache-2.0 604 359 (11 issues need help) 16 Updated Jan 29, 2026
  • ossf/security-baseline’s past year of commit activity
    Go 140 Apache-2.0 37 56 (5 issues need help) 14 Updated Jan 29, 2026
  • tac Public

    Technical Advisory Council

    ossf/tac’s past year of commit activity
    133 75 37 (6 issues need help) 12 Updated Jan 29, 2026
  • 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 442 Apache-2.0 72 14 5 Updated Jan 29, 2026
  • osv-schema Public

    Open Source Vulnerability schema.

    ossf/osv-schema’s past year of commit activity
    Go 229 Apache-2.0 111 47 2 Updated Jan 29, 2026
  • ossf/ossf-landscape’s past year of commit activity
    30 Apache-2.0 27 0 0 Updated Jan 28, 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 982 Apache-2.0 186 67 (2 issues need help) 12 Updated Jan 27, 2026
  • scorecard-action Public

    Official GitHub Action for OpenSSF Scorecard.

    ossf/scorecard-action’s past year of commit activity
    Go 357 Apache-2.0 82 28 12 Updated Jan 26, 2026
  • scorecard-webapp Public

    Website and API for OpenSSF Scorecard

    ossf/scorecard-webapp’s past year of commit activity
    Go 28 Apache-2.0 30 31 (7 issues need help) 24 Updated Jan 26, 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
    11 Apache-2.0 5 8 2 Updated Jan 26, 2026