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Feature flags & experimentation Category leader

Unleash

Open-source feature management, cloud or self-hosted

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Unleash is an open-source feature management platform that separates releases from deployments. It offers gradual rollouts, kill switches, user targeting and experiments with 25+ SDKs. It runs in Unleash's cloud or on your own infrastructure.

Key Feature flags & experimentation features

  • Percentage rollouts
  • User targeting rules (not listed)
  • Kill switch
  • Multi-language SDKs
  • A/B experiments
  • Per-environment flags

From the vendor's own site. Not yet verified by SoftScout. A missing item may just mean we haven't confirmed it.

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Feature flags with edge delivery and OpenFeature support

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Feature flags & experimentation Category leader

LaunchDarkly

Free plan· $10/service connection/mo billed annually

Feature flags and experimentation for shipping and testing in production

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Feature flags & experimentation Category leader

Optimizely Feature Experimentation

Contact sales

Feature flags and experiments across backend, mobile and edge

Key features

  • Percentage rollouts
  • User targeting rules
  • Kill switch
  • Multi-language SDKs
  • A/B experiments