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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 988 187

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

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

    145 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.

    383 48

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

    OpenSSF Working Group on Securing Software Repositories

    127 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 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 453 Apache-2.0 73 16 7 Updated Feb 10, 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 112 Apache-2.0 63 0 0 Updated Feb 10, 2026
  • ossf/ossf-landscape’s past year of commit activity
    31 Apache-2.0 27 0 4 Updated Feb 10, 2026
  • scorecard-action Public

    Official GitHub Action for OpenSSF Scorecard.

    ossf/scorecard-action’s past year of commit activity
    Go 356 Apache-2.0 82 28 13 Updated Feb 10, 2026
  • scorecard Public

    OpenSSF Scorecard - Security health metrics for Open Source

    ossf/scorecard’s past year of commit activity
    Go 5,262 Apache-2.0 604 361 (11 issues need help) 21 Updated Feb 10, 2026
  • osv-schema Public

    Open Source Vulnerability schema.

    ossf/osv-schema’s past year of commit activity
    Go 232 Apache-2.0 110 47 6 Updated Feb 9, 2026
  • ossf/security-baseline’s past year of commit activity
    Go 140 Apache-2.0 37 57 (5 issues need help) 12 Updated Feb 9, 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) 23 Updated Feb 9, 2026
  • fuzz-introspector Public

    Fuzz Introspector -- introspect, extend and optimise fuzzers

    ossf/fuzz-introspector’s past year of commit activity
    Python 446 Apache-2.0 79 107 (1 issue needs help) 6 Updated Feb 9, 2026
  • allstar Public

    GitHub App to set and enforce security policies

    ossf/allstar’s past year of commit activity
    Go 1,391 Apache-2.0 144 61 (20 issues need help) 0 Updated Feb 9, 2026