Open Source Optimizely Alternatives

    The best open source alternative to Optimizely is Growth Book, which is both free and Open Source. If that doesn't work for you, our users have ranked more than 50 alternatives to Optimizely, but unfortunately only two of them is open source.

    This page was last updated Jul 2, 2021

      • FreeOpen Source
      • Self-Hosted
      • Software as a Service (SaaS)
      Growth Book is an open source A/B testing platform - Lightweight and fast client libraries for javascript, react, php, and ruby.
    1. Wasabi A/B Testing Service is a real-time, enterprise-grade, 100% API driven project. Users are empowered to own their own data, and run experiments across web, mobile, and desktop. Instrumentation is minimal.
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    Showing 2 of 2 alternatives