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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 986 186

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

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

    143 22

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

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

    383 48

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

    OpenSSF Working Group on Securing Software Repositories

    127 29

  5. tac tac Public

    Technical Advisory Council

    134 75

  6. foundation foundation Public

    OpenSSF Governance and Legal Docs

    74 18

Repositories

Showing 10 of 75 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 447 Apache-2.0 73 14 5 Updated Feb 4, 2026
  • scorecard-webapp Public

    Website and API for OpenSSF Scorecard

    ossf/scorecard-webapp’s past year of commit activity
    Go 28 Apache-2.0 30 31 (7 issues need help) 26 Updated Feb 4, 2026
  • 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 986 Apache-2.0 186 67 (2 issues need help) 11 Updated Feb 4, 2026
  • wg-vulnerability-disclosures Public

    The OpenSSF Vulnerability Disclosures Working Group seeks to help improve the overall security of the open source software ecosystem by helping mature and advocate well-managed vulnerability reporting and communication.

    ossf/wg-vulnerability-disclosures’s past year of commit activity
    210 Apache-2.0 42 43 0 Updated Feb 4, 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 42 Apache-2.0 14 13 10 Updated Feb 4, 2026
  • scorecard Public

    OpenSSF Scorecard - Security health metrics for Open Source

    ossf/scorecard’s past year of commit activity
    Go 5,258 Apache-2.0 604 360 (11 issues need help) 17 Updated Feb 3, 2026
  • fuzz-introspector Public

    Fuzz Introspector -- introspect, extend and optimise fuzzers

    ossf/fuzz-introspector’s past year of commit activity
    Python 445 Apache-2.0 78 107 (1 issue needs help) 4 Updated Feb 3, 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 1,621 GPL-3.0 600 156 (1 issue needs help) 58 Updated Feb 3, 2026
  • scorecard-action Public

    Official GitHub Action for OpenSSF Scorecard.

    ossf/scorecard-action’s past year of commit activity
    Go 356 Apache-2.0 82 28 12 Updated Feb 3, 2026
  • ossf/ossf-landscape’s past year of commit activity
    30 Apache-2.0 27 0 3 Updated Feb 2, 2026