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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 190

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

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

    158 24

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

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

    389 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

    137 77

  6. foundation foundation Public

    OpenSSF Governance and Legal Docs

    76 18

Repositories

Showing 10 of 78 repositories
  • oss-crs Public

    oss-crs

    ossf/oss-crs’s past year of commit activity
    Python 38 MIT 3 29 (2 issues need help) 6 Updated Apr 2, 2026
  • wg-globalcyberpolicy Public

    Global Cyber Policy Working Group

    ossf/wg-globalcyberpolicy’s past year of commit activity
    109 Apache-2.0 19 15 (1 issue needs help) 0 Updated Apr 2, 2026
  • tac Public

    Technical Advisory Council

    ossf/tac’s past year of commit activity
    137 77 38 (6 issues need help) 20 Updated Apr 2, 2026
  • 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 480 Apache-2.0 81 21 5 Updated Apr 2, 2026
  • 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 6 4 1 Updated Apr 1, 2026
  • ossf/ossf-landscape’s past year of commit activity
    31 Apache-2.0 28 0 1 Updated Apr 1, 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 121 Apache-2.0 63 0 0 Updated Apr 1, 2026
  • ossf/security-baseline’s past year of commit activity
    Go 147 Apache-2.0 36 58 (5 issues need help) 5 Updated Apr 1, 2026
  • cve-bin-tool Public

    The CVE Binary Tool helps you determine if your system includes known vulnerabilities. You can scan binaries for over 350 common, vulnerable components (openssl, libpng, libxml2, expat and others), or if you know the components used, you can get a list of known vulnerabilities associated with an SBOM or a list of components and versions.

    ossf/cve-bin-tool’s past year of commit activity
    Python 1,651 GPL-3.0 612 143 (1 issue needs help) 48 Updated Apr 1, 2026
  • osv-schema Public

    Open Source Vulnerability schema.

    ossf/osv-schema’s past year of commit activity
    Go 243 Apache-2.0 115 49 9 Updated Mar 31, 2026

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