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@Unleash

Unleash

The Open-Source Feature Toggle Service

Unleash GitHub banner

The Leading Open Source Feature Management Service

Unleash marketing image showing "Flexible segmentation", "Feature toggles", "Projects" and that Unleash integrates with many programming languages.

Unleash is the leading open source solution for feature management.

We enable engineering teams to decouple deployment from release, facilitating trunk-based development, A/B testing, and gradual rollout at scale.

Unleash is deployed by some of the largest organizations in the world to manage complex software lifecycles. Built for high-performance environments, we integrate seamlessly with existing infrastructure, ensuring privacy, security, and granular control.

Deployment options

Open Source Unleash Enterprise
Self-hosted. Perfect for developers and small teams. Managed or self-hosted. Includes the full Enterprise feature-set, such as SSO, RBAC, SLA support, and advanced security.
View the open source codebase Start free 14-day trial

Resources

Ecosystem and contribution

Unleash is driven by a global community. We prioritize transparent development and robust support channels.

  • GitHub discussions: For technical inquiries, roadmap discussions, and feedback.
  • Slack workspace: Connect with the core engineering team and other Unleash users in real-time.
  • Reddit community: A searchable knowledge base for common implementation questions and community support.
  • Contribution guide: Standards for submitting PRs and issues.

Star the repository to follow our development.

Pinned Loading

  1. unleash unleash Public

    Open-source feature management platform

    TypeScript 13.3k 841

  2. unleash-node-sdk unleash-node-sdk Public

    Unleash client SDK for Node.js

    TypeScript 227 71

  3. unleash-go-sdk unleash-go-sdk Public

    Unleash client SDK for Go

    Go 150 61

  4. unleash-java-sdk unleash-java-sdk Public

    Unleash client SDK for Java

    Java 137 77

  5. unleash-python-sdk unleash-python-sdk Public

    Unleash client SDK for Python 💡💡💡

    Python 91 65

  6. unleash-ruby-sdk unleash-ruby-sdk Public

    Unleash client SDK for Ruby

    Ruby 62 44

Repositories

Showing 10 of 79 repositories
  • unleash Public

    Open-source feature management platform

    Unleash/unleash’s past year of commit activity
    TypeScript 13,304 Apache-2.0 841 19 40 Updated Mar 24, 2026
  • unleash-types-rs Public

    Types for Unleash Client APIs

    Unleash/unleash-types-rs’s past year of commit activity
    Rust 2 MIT 1 0 2 Updated Mar 23, 2026
  • unleash-python-sdk Public

    Unleash client SDK for Python 💡💡💡

    Unleash/unleash-python-sdk’s past year of commit activity
    Python 91 MIT 65 5 6 Updated Mar 23, 2026
  • client-specification Public

    A collection of test specifications to guide client implementations

    Unleash/client-specification’s past year of commit activity
    JavaScript 13 Apache-2.0 11 1 2 Updated Mar 23, 2026
  • unleash-node-sdk Public

    Unleash client SDK for Node.js

    Unleash/unleash-node-sdk’s past year of commit activity
    TypeScript 227 Apache-2.0 71 5 12 Updated Mar 23, 2026
  • unleash-documentation Public

    Documentation for Unleash, the open-source feature management platform

    Unleash/unleash-documentation’s past year of commit activity
    MDX 2 0 0 5 Updated Mar 23, 2026
  • unleash-edge Public
    Unleash/unleash-edge’s past year of commit activity
    Rust 66 15 12 10 Updated Mar 23, 2026
  • toolbar Public

    Unleash Toolbar for frictionless local development

    Unleash/toolbar’s past year of commit activity
    TypeScript 3 Apache-2.0 0 0 0 Updated Mar 22, 2026
  • Unleash/blackjack-dealer-rs’s past year of commit activity
    Rust 0 Apache-2.0 0 0 1 Updated Mar 21, 2026
  • unleash-js-sdk Public

    A browser client that can be used to connect to Unleash, the open-source feature-flag solution

    Unleash/unleash-js-sdk’s past year of commit activity
    TypeScript 52 Apache-2.0 54 8 (2 issues need help) 3 Updated Mar 20, 2026