GrowthBook is an open-source feature flagging and A/B testing platform that integrates directly with your data warehouse. Unlike SaaS-only alternatives, it is fully self-hostable with no data leaving your infrastructure. GrowthBook supports statistical analysis using both frequentist and Bayesian approaches and connects to any data source. It is the leading open-source alternative to LaunchDarkly and Improvely.
- Open-source feature flags & A/B testing
- Self-hostable (no data leaves)
- Frequentist & Bayesian statistics
- Any data source integration
- Visual experiment editor
Pros
- Free and open-source with self-hosting
- Statistical flexibility (frequentist + Bayesian)
- No vendor lock-in
Cons
- Requires self-hosting infrastructure management
- Less polished UI than LaunchDarkly or Statsig
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| Pricing | freemium |
| Views | 1 |
| Clicks | 0 |
| Added | Jun 02, 2026 |
| Source | Manual Entry |