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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 912 180

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

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

    106 17

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

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

    367 43

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

    OpenSSF Working Group on Securing Software Repositories

    111 21

  5. tac tac Public

    Technical Advisory Council

    130 72

  6. foundation foundation Public

    OpenSSF Governance and Legal Docs

    72 17

Repositories

Showing 10 of 73 repositories
  • ai-ml-security Public

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

    ossf/ai-ml-security’s past year of commit activity
    106 Apache-2.0 17 5 0 Updated Aug 27, 2025
  • 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 912 Apache-2.0 180 64 (3 issues need help) 12 Updated Aug 27, 2025
  • scorecard-webapp Public

    Website and API for OpenSSF Scorecard

    ossf/scorecard-webapp’s past year of commit activity
    HTML 24 Apache-2.0 29 34 (1 issue needs help) 17 Updated Aug 27, 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 327 Apache-2.0 45 14 7 Updated Aug 27, 2025
  • gemara Public

    Minimizing rework for governance activities.

    ossf/gemara’s past year of commit activity
    Go 11 Apache-2.0 8 18 (1 issue needs help) 4 Updated Aug 27, 2025
  • osv-schema Public

    Open Source Vulnerability schema.

    ossf/osv-schema’s past year of commit activity
    Go 206 Apache-2.0 100 33 16 Updated Aug 26, 2025
  • fuzz-introspector Public

    Fuzz Introspector -- introspect, extend and optimise fuzzers

    ossf/fuzz-introspector’s past year of commit activity
    Python 425 Apache-2.0 74 103 (1 issue needs help) 2 Updated Aug 26, 2025
  • allstar Public

    GitHub App to set and enforce security policies

    ossf/allstar’s past year of commit activity
    Go 1,355 Apache-2.0 133 61 (20 issues need help) 3 Updated Aug 26, 2025
  • scorecard Public

    OpenSSF Scorecard - Security health metrics for Open Source

    ossf/scorecard’s past year of commit activity
    Go 5,031 Apache-2.0 566 364 (11 issues need help) 30 Updated Aug 25, 2025
  • glossary Public

    A reference for common terms when talking about OpenSSF and open source software security.

    ossf/glossary’s past year of commit activity
    JavaScript 4 Apache-2.0 3 2 4 Updated Aug 25, 2025