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Open Source Feature Flag Tools using Babel

A curated collection of the best open source platforms for managing feature flags, A/B testing, and gradual rollouts. using Babel.

Unleash

Feature flags for rapid, risk-free software deployment

  • Stars

    13,899

  • Last commit

    16 hours ago

  • License

    AGPL-3.0
A powerful feature management platform enabling gradual rollouts, A/B testing, and seamless integration for continuous delivery.

Open Source Alternative to:

LaunchDarkly

GrowthBook

Open-source A/B testing and feature flagging platform

  • Stars

    8,528

  • Last commit

    9 hours ago

  • License

    MIT
Powerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.

Open Source Alternative to:

LaunchDarkly

Flagsmith

Feature flags and remote config for rapid deployment

  • Stars

    6,613

  • Last commit

    1 day ago

  • License

    BSD-3-Clause
Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.

Open Source Alternative to:

LaunchDarkly
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