Unleash

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Unleash

Enterprise-ready feature flag and toggle management.

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Unleash is a highly scalable, open-source feature flag management system. It allows development teams to separate code deployment from feature release, enabling safer rollouts, A/B testing, and canary deployments.

Built with privacy and performance in mind, the Unleash architecture evaluates flags locally within the client SDK, meaning no sensitive user data is ever sent back to the Unleash server for evaluation.

Key Features

  • Local SDK evaluation for ultra-low latency
  • Advanced targeting and segmentation rules
  • A/B testing and experimentation capabilities
  • Enterprise-grade RBAC and SSO integrations

Frequently Asked Questions

Is Unleash free and open source?

Yes, Unleash is open source. It is released under the AGPL 3.0 license.

What can I use instead of LaunchDarkly?

You can use Unleash as a free, open-source alternative to LaunchDarkly.

Can I self-host Unleash?

Yes, Unleash can be self-hosted on your own server or cloud infrastructure.

What is Unleash written in?

It is built using JavaScript, SCSS, TypeScript, Shell, Mustache.

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