# GrowthBook

> Updated 2026-08-25 · type: tool · category: marketing-ops · status: active · rev 1

Open-source feature flags, A/B experimentation, and product analytics across 11 warehouse sources — prove whether an LLM-generated variation actually performs…

- Open source: yes (MIT)
- Self-hostable: yes
- Pricing model: freemium
- Best for: Product and engineering teams that want feature flags, A/B experimentation, and product analytics without building it in-house.
- Last verified: 2026-09-04

- **Canonical:** https://gtmstacker.com/registry/tool/growthbook/
- **Source:** [github · growthbook/growthbook](https://github.com/growthbook/growthbook)
- **Tags:** marketing-ops, experimentation, ab-testing, feature-flags
- **Repository:** https://github.com/growthbook/growthbook

## Is GrowthBook open source?

Yes — MIT-licensed.

## How much does GrowthBook cost?

It has a free tier plus paid plans.

## Can I self-host GrowthBook?

Yes — it can be self-hosted.


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Open-source feature flags, A/B experimentation, and product analytics across 11 warehouse sources — prove whether an LLM-generated variation actually performs better.

## Provenance

- MIT core verified (8.3k★). Open-core: some directories are under a separate GrowthBook Enterprise (commercial) license.
- Surfaced via the GTM Stacker X/Twitter signal reports (the "35 marketing repos" list + named drops); license independently WebFetch-verified 2026-09-03.