GrowthBook
Open source feature flags and A/B tests.
Product Screenshots
4 screenshots
About GrowthBook
GrowthBook is an open-source A/B testing platform. Feature flags, experiments, and Bayesian statistics with self-hosted or cloud options.
Best For
Teams wanting open-source experimentation
Key Features
Feature flags
A/B testing
Bayesian statistics
Warehouse native
Open source
Self-hosted option
Things to Consider
DIY setup for self-hosted
Smaller community
Less polished UI
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Not sure if GrowthBook is right for you? Our decision guide covers key criteria, questions to ask yourself, and helps you pick the best option for your startup.
Read: How to Choose an Analytics Platform for Your StartupStartup Terms on This Page
A/B Testing
A/B testing is an experiment where two or more variants are shown to different user groups to determ...
Stock Options
Stock options give employees the right to purchase company shares at a fixed price (strike price) af...
User Interface
User interface (UI) refers to the visual elements users interact with in a product—buttons, icons, t...
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Our Rating
4.0
Strong dev-tools solution. Teams wanting open-source experimentation.
Reviewed Dec 2025 by our editorial team
PricingFreemium
Est. Monthly CostFree
CategoryAnalytics, Developer Tools, Go To Market
Founded2021
Last UpdatedDec 2025
Free Tier
Includes: Unlimited on self-hosted
Note: Cloud has usage limits