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@open-feature

OpenFeature

Standardizing Feature Flagging for Everyone

OpenFeature Logo

Welcome to the OpenFeature project 👋

OpenFeature is an open specification that provides a vendor-agnostic, community-driven API for feature flagging that works with your favorite feature flag management tool or in-house solution.

Learn More 📚 · Get Started 🔭 · Contribute 😍 · Discover the Ecosystem 🧭


👋 Getting involved

There is a lot to do! If you're interested in getting involved, please join our Slack channel, the mailing lists, and attend the community meetings. We're a friendly, collaborative group and look forward to working together!

Learn how to get involved in the OpenFeature Contributor Ladder.

🦺 Help keep our community safe, inviting, and inclusive

OpenFeature follows the CNCF Community Code of Conduct. Please abide by this Code of Conduct when interacting with all repositories under the OpenFeature umbrella and when interacting with people.

👾 Reporting Security Incidents

Please be mindful that Security-related issues should be reported through our Security Policy as Security-related issues and vulnerabilities can be exploited and we request confidentiality whenever possible.


OpenFeature is a CNCF incubating project.

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  1. spec spec Public

    OpenFeature specification

    Python 926 48

  2. community community Public

    OpenFeature project community and governance

    JavaScript 99 92

  3. openfeature.dev openfeature.dev Public

    OpenFeature Website

    TypeScript 47 84

  4. playground playground Public

    OpenFeature SDK demos and experimentation

    TypeScript 71 28

  5. open-feature-operator open-feature-operator Public

    A Kubernetes feature flag operator

    Go 251 47

  6. flagd flagd Public

    A feature flag daemon with a Unix philosophy

    Go 761 88

Repositories

Showing 10 of 51 repositories
  • openfeature.dev Public

    OpenFeature Website

    open-feature/openfeature.dev’s past year of commit activity
    TypeScript 47 CC-BY-4.0 84 15 4 Updated Sep 18, 2025
  • java-sdk Public

    Java implementation of the OpenFeature SDK

    open-feature/java-sdk’s past year of commit activity
    Java 105 Apache-2.0 50 11 (3 issues need help) 9 Updated Sep 18, 2025
  • playground Public

    OpenFeature SDK demos and experimentation

    open-feature/playground’s past year of commit activity
    TypeScript 71 Apache-2.0 28 7 (1 issue needs help) 13 Updated Sep 18, 2025
  • spec Public

    OpenFeature specification

    open-feature/spec’s past year of commit activity
    Python 926 Apache-2.0 48 19 (2 issues need help) 7 Updated Sep 17, 2025
  • dotnet-sdk Public

    .NET implementation of the OpenFeature SDK

    open-feature/dotnet-sdk’s past year of commit activity
    C# 101 Apache-2.0 22 16 (3 issues need help) 6 Updated Sep 17, 2025
  • kotlin-sdk Public

    Kotlin implementation of the OpenFeature SDK for Android clients

    open-feature/kotlin-sdk’s past year of commit activity
    Kotlin 16 Apache-2.0 8 7 7 Updated Sep 17, 2025
  • java-sdk-contrib Public

    Community contributions for hooks and reference providers

    open-feature/java-sdk-contrib’s past year of commit activity
    Java 39 Apache-2.0 58 10 (2 issues need help) 13 Updated Sep 17, 2025
  • js-sdk-contrib Public

    OpenFeature Providers and Hooks for JavaScript

    open-feature/js-sdk-contrib’s past year of commit activity
    TypeScript 61 Apache-2.0 59 27 (2 issues need help) 21 Updated Sep 17, 2025
  • ruby-sdk Public

    Ruby implementation of the OpenFeature SDK

    open-feature/ruby-sdk’s past year of commit activity
    Ruby 33 Apache-2.0 10 14 (2 issues need help) 3 Updated Sep 16, 2025
  • kotlin-sdk-contrib Public

    Community contributions for hooks and reference providers

    open-feature/kotlin-sdk-contrib’s past year of commit activity
    Kotlin 2 Apache-2.0 1 1 6 Updated Sep 16, 2025