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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 946 183

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

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

    118 20

  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 44

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

    OpenSSF Working Group on Securing Software Repositories

    122 25

  5. tac tac Public

    Technical Advisory Council

    133 72

  6. foundation foundation Public

    OpenSSF Governance and Legal Docs

    73 17

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 397 Apache-2.0 64 11 6 Updated Nov 12, 2025
  • osv-schema Public

    Open Source Vulnerability schema.

    ossf/osv-schema’s past year of commit activity
    Go 215 Apache-2.0 105 35 9 Updated Nov 12, 2025
  • scorecard-webapp Public

    Website and API for OpenSSF Scorecard

    ossf/scorecard-webapp’s past year of commit activity
    Go 25 Apache-2.0 30 34 (7 issues need help) 19 Updated Nov 12, 2025
  • gemara Public

    Minimizing rework for governance activities.

    ossf/gemara’s past year of commit activity
    Go 28 Apache-2.0 15 27 (1 issue needs help) 6 Updated Nov 12, 2025
  • scorecard-action Public

    Official GitHub Action for OpenSSF Scorecard.

    ossf/scorecard-action’s past year of commit activity
    Go 340 Apache-2.0 79 26 1 Updated Nov 12, 2025
  • tac Public

    Technical Advisory Council

    ossf/tac’s past year of commit activity
    133 72 33 (5 issues need help) 9 Updated Nov 12, 2025
  • scorecard-visualizer Public

    Tool for visualizing the Open SSF Scorecard Api data in a human friendly way

    ossf/scorecard-visualizer’s past year of commit activity
    TypeScript 18 Apache-2.0 6 1 10 Updated Nov 12, 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 946 Apache-2.0 183 66 (2 issues need help) 9 Updated Nov 11, 2025
  • ossf/ossf-landscape’s past year of commit activity
    30 Apache-2.0 27 0 1 Updated Nov 11, 2025
  • scorecard Public

    OpenSSF Scorecard - Security health metrics for Open Source

    ossf/scorecard’s past year of commit activity
    Go 5,135 Apache-2.0 579 361 (12 issues need help) 2 Updated Nov 10, 2025