head to head · open source
GrowthBook vs Opengrep
GrowthBook has 8,558 GitHub stars, 890 forks, 793 open issues and last shipped yesterday. Opengrep has 3,273 stars, 287 forks, 92 open issues and last shipped yesterday. GrowthBook leads on adoption by 161% (8,558 vs 3,273 stars). GrowthBook is written in TypeScript under a custom or non-standard licence; Opengrep is written in OCaml under LGPL-2.1. GrowthBook has attracted 10% as many forks as stars, Opengrep 9%. GrowthBook was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | Opengrep | |
|---|---|---|
| GitHub stars | ★ 8.6K | ★ 3.3K |
| License | Custom / other | LGPL-2.1 |
| Written in | TypeScript | OCaml |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 890 | ⑂ 287 |
| 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 Opengrep if
- You want the Opengrep feature set and don't need the biggest community
- You prefer the LGPL-2.1 license terms
- Your stack matches OCaml
- You evaluated both and Opengrep 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 Opengrep
Welcome to Opengrep, a fork of Semgrep, under the LGPL 2.1 license Opengrep is the most advanced open source SAST engine. Let's make secure software development a shared standard. Opengrep provides every developer and organisation with open and advanced static code analysis. Opengrep is backed by a consortium of AppSec organisations, including: Aikido, Amplify, Endor Labs, Kodem, and Orca Security. To learn more, read the manifesto at opengrep.dev. Why Opengrep? Opengrep was created when Semgrep moved critical features behind a commercial licence. We believe advanced static analysis should remain open and…
read the full Opengrep overview →
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Frequently asked questions
Is GrowthBook or Opengrep more popular?
GrowthBook has 8,558 GitHub stars and Opengrep has 3,273. GrowthBook has the larger community by that measure.
Are GrowthBook and Opengrep free?
Both are open source. GrowthBook has no licence declared in this registry, and Opengrep is licensed under LGPL-2.1. Both are free to self-host.
What is the difference between GrowthBook and Opengrep?
GrowthBook is written in TypeScript and Opengrep in OCaml. 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 Opengrep?
Choose GrowthBook if you want the larger community (8,558 stars) or its Custom / other licence terms. Choose Opengrep if its feature set, stack or LGPL-2.1 licence fits better. Both are self-hostable.