Skip to content
G

GrowthBook

Open source feature flags and A/B testing

Reviewed byRoman K· 2026-06-29

About

Self-hostable experimentation platform with Bayesian and Frequentist stats engines.

open-sourceexperimentsfeature-flags

Metrics

7.9k
GitHub Stars
775
Forks
724.0k
npm Downloads/wk
774
Open Issues

More in A/B Testing & Experiments

Frequently asked questions

What is GrowthBook?▾

Self-hostable experimentation platform with Bayesian and Frequentist stats engines. It falls under the a/b testing & experiments category and uses a freemium pricing model. The project is actively maintained with 7.9k GitHub stars.

Is GrowthBook free?▾

Yes, GrowthBook offers a free plan that you can use without a credit card. Paid plans start at $20/mo and unlock additional features and higher usage limits. The pricing model is freemium.

How much does GrowthBook cost?▾

GrowthBook starts at $20/month. It uses a freemium pricing model. A free plan is available for small projects or evaluation. Check https://www.growthbook.io for the latest pricing details and plan comparison.

What category is GrowthBook in?▾

GrowthBook is a a/b testing & experiments tool. Experimentation platforms, stats engines, holdouts You can compare GrowthBook with 3 alternatives in the same category on Soft.xyz.

Is GrowthBook open source?▾

Yes, GrowthBook is open source and freely available on GitHub. It has 7.9k stars and 775 forks, with the last commit on 2026-06-29. You can inspect the source code, contribute, or self-host it.

What are alternatives to GrowthBook?▾

Popular alternatives to GrowthBook include Statsig, LaunchDarkly, Flagsmith. Each offers different pricing, features, and community support. You can compare them side-by-side on Soft.xyz using real metrics like GitHub stars, npm downloads, and actual pricing data.

How popular is GrowthBook?▾

GrowthBook has 7.9k stars on GitHub and 724.0k weekly npm downloads. It has a solid and growing developer community. The project was last updated on 2026-06-29.