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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 1k 189

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

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

    157 23

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

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

    390 47

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

    OpenSSF Working Group on Securing Software Repositories

    128 29

  5. tac tac Public

    Technical Advisory Council

    136 76

  6. foundation foundation Public

    OpenSSF Governance and Legal Docs

    76 18

Repositories

Showing 10 of 78 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 475 Apache-2.0 80 21 6 Updated Mar 27, 2026
  • scorecard-monitor Public

    Simplify OpenSSF Scorecard tracking in your organization with automated markdown and JSON reports, plus optional GitHub issue alerts

    ossf/scorecard-monitor’s past year of commit activity
    JavaScript 44 Apache-2.0 14 13 15 Updated Mar 27, 2026
  • pvtr-github-repo-scanner Public

    Privateer plugin for scanning the security hygiene of a GitHub repository.

    ossf/pvtr-github-repo-scanner’s past year of commit activity
    Go 21 Apache-2.0 12 21 4 Updated Mar 27, 2026
  • scorecard Public

    OpenSSF Scorecard - Security health metrics for Open Source

    ossf/scorecard’s past year of commit activity
    Go 5,337 Apache-2.0 618 363 (11 issues need help) 23 Updated Mar 26, 2026
  • oss-crs Public

    oss-crs

    ossf/oss-crs’s past year of commit activity
    Python 36 MIT 3 28 (1 issue needs help) 3 Updated Mar 26, 2026
  • scorecard-action Public

    Official GitHub Action for OpenSSF Scorecard.

    ossf/scorecard-action’s past year of commit activity
    Go 367 Apache-2.0 82 28 13 Updated Mar 26, 2026
  • osv-schema Public

    Open Source Vulnerability schema.

    ossf/osv-schema’s past year of commit activity
    Go 242 Apache-2.0 114 50 9 Updated Mar 26, 2026
  • fuzz-introspector Public

    Fuzz Introspector -- introspect, extend and optimise fuzzers

    ossf/fuzz-introspector’s past year of commit activity
    Python 452 Apache-2.0 82 108 (1 issue needs help) 10 Updated Mar 26, 2026
  • tac Public

    Technical Advisory Council

    ossf/tac’s past year of commit activity
    136 76 39 (6 issues need help) 22 Updated Mar 26, 2026
  • si-tooling Public
    ossf/si-tooling’s past year of commit activity
    Python 8 Apache-2.0 4 2 4 Updated Mar 26, 2026