head to head · open source
GrowthBook vs Flipt
GrowthBook has 8,558 GitHub stars, 890 forks, 793 open issues and last shipped yesterday. Flipt has 4,935 stars, 317 forks, 42 open issues and last shipped 5 days ago. GrowthBook leads on adoption by 73% (8,558 vs 4,935 stars). GrowthBook is written in TypeScript under a custom or non-standard licence; Flipt is written in Go under a custom or non-standard licence. GrowthBook has attracted 10% as many forks as stars, Flipt 6%. GrowthBook was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (continuous-delivery), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| GrowthBook | Flipt | |
|---|---|---|
| GitHub stars | ★ 8.6K | ★ 4.9K |
| License | Custom / other | Custom / other |
| Written in | TypeScript | Go |
| Last push | 2026-11-02 | 2026-10-29 |
| Forks | ⑂ 890 | ⑂ 317 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick GrowthBook if
- You weight community size — 8.6K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Flipt if
- You want the Flipt feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Go
- You evaluated both and Flipt fits your workflow better
About GrowthBook
Open Source Feature Flags, Experimentation, and Product Analytics Create a free GrowthBook Cloud account to get started quickly. Or run it yourself with: Then visit View the full Self Hosting Instructions for more details. This pulls our prebuilt public Docker image and needs no registry credentials. If you instead build the image from the Dockerfile in this repo, its hardened base images come from Docker's dhi.io registry, which requires a one time docker login dhi.io with any free Docker account — see Building from source. Our Philosophy The top 1% of companies spend thousands of hours building their own in…
read the full GrowthBook overview →
About Flipt
The Git native, enterprise ready feature management platform that developers love Docs • Website • Blog • Contributing • Discord [!NOTE] Looking for Flipt v1? You can find the v1 code on the main branch and documentation at docs.flipt.io. Why Flipt v2? Finally, feature flags that work with your existing Git workflow. Flipt v2 is the first truly Git native feature management platform that treats your feature flags as code. Store your flags in your own Git repositories, use your existing branching strategy, and deploy flags alongside your code using the tools you already know and trust. 🚀 Git Native by Design Own…
read the full Flipt overview →
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Frequently asked questions
Is GrowthBook or Flipt more popular?
GrowthBook has 8,558 GitHub stars and Flipt has 4,935. GrowthBook has the larger community by that measure.
Are GrowthBook and Flipt free?
Neither GrowthBook nor Flipt declares a licence in this registry, so check each project's own repository before relying on either for a commercial use. Both are free to self-host.
What is the difference between GrowthBook and Flipt?
GrowthBook is written in TypeScript and Flipt in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, GrowthBook or Flipt?
Choose GrowthBook if you want the larger community (8,558 stars) or its Custom / other licence terms. Choose Flipt if its feature set, stack or Custom / other licence fits better. Both are self-hostable.