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Open Source Optimizely Alternatives

The best open source alternative to Optimizely is GrowthBook. 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. If you can't find an alternative you can try to remove all filters.

Optimizely alternatives are mainly Web Analytics Services but may also be Customer Feedback Managers or Poll Makers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Optimizely.
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  1. GrowthBook icon

    GrowthBook

    • FreeOpen Source
    • Self-Hosted
    • Software as a Service (SaaS)
    10 alternatives to GrowthBook 

    Open Source Feature Flagging and A/B Testing.

     Suggest and vote on features
    Features
    List of feature flags with per-environment toggles
  2. Wasabi icon

    Wasabi

    • FreeOpen Source
    • Linux
    6 alternatives to Wasabi 

    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.

     Suggest and vote on features
    Features
    Screenshot
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