Skip to content
@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.

Pinned Loading

  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 941 185

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

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

    117 21

  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

    122 26

  5. tac tac Public

    Technical Advisory Council

    132 73

  6. foundation foundation Public

    OpenSSF Governance and Legal Docs

    73 18

Repositories

Showing 10 of 74 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 393 Apache-2.0 64 11 6 Updated Nov 5, 2025
  • gemara Public

    Minimizing rework for governance activities.

    ossf/gemara’s past year of commit activity
    Go 27 Apache-2.0 15 26 (1 issue needs help) 3 Updated Nov 4, 2025
  • scorecard-webapp Public

    Website and API for OpenSSF Scorecard

    ossf/scorecard-webapp’s past year of commit activity
    Go 25 Apache-2.0 29 35 (1 issue needs help) 13 Updated Nov 4, 2025
  • scorecard-action Public

    Official GitHub Action for OpenSSF Scorecard.

    ossf/scorecard-action’s past year of commit activity
    Go 339 Apache-2.0 78 26 1 Updated Nov 4, 2025
  • scorecard Public

    OpenSSF Scorecard - Security health metrics for Open Source

    ossf/scorecard’s past year of commit activity
    Go 5,129 Apache-2.0 579 361 (12 issues need help) 2 Updated Nov 4, 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 941 Apache-2.0 185 67 (2 issues need help) 12 Updated Nov 4, 2025
  • ossf/security-baseline’s past year of commit activity
    Go 115 Apache-2.0 32 51 (4 issues need help) 3 Updated Nov 4, 2025
  • wg-securing-software-repos Public

    OpenSSF Working Group on Securing Software Repositories

    ossf/wg-securing-software-repos’s past year of commit activity
    122 26 21 3 Updated Nov 3, 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 2 Updated Nov 3, 2025
  • fuzz-introspector Public

    Fuzz Introspector -- introspect, extend and optimise fuzzers

    ossf/fuzz-introspector’s past year of commit activity
    Python 431 Apache-2.0 76 103 (1 issue needs help) 2 Updated Nov 3, 2025