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Meta Open Source

Build with open source from Meta.

Explore current projects, learn how to contribute, or report a security issue.

Start with what you need.

Go directly to project guidance, contribution resources, or the secure reporting channel.

Path 01Discover

Find code and documentation

Choose from Meta's open source organizations, then follow each project's current documentation.

Path 03Protect

Report a security issue

Use Meta's security reporting channel for vulnerabilities. Do not post sensitive details in a public issue tracker.

Example project areas

  • AI and machine learning
  • Developer tools and infrastructure
  • Web and mobile