head to head · open source
GrowthBook vs Opengrep
GrowthBook has 8,376 GitHub stars, 849 forks, 793 open issues and last shipped yesterday. Opengrep has 3,084 stars, 263 forks, 92 open issues and last shipped yesterday. GrowthBook leads on adoption by 172% (8,376 vs 3,084 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 | ★ 8.4K | ★ 3.1K |
| License | Custom / other | LGPL-2.1 |
| Written in | TypeScript | OCaml |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 849 | ⑂ 263 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick GrowthBook if
- You weight community size — 8.4K 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
GrowthBook is an open source platform for feature flags, A/B experimentation, and product analytics that product, data, and platform teams can either consume through a hosted cloud account or run entirely on their own infrastructure.
read the full GrowthBook overview →
About Opengrep
Opengrep is an open source static code analysis engine for finding security issues in code. It is a fork of Semgrep, released under the LGPL 2.1 license, and is backed by a consortium of AppSec organizations, including Aikido, Amplify, Endor Labs, Kodem, and Orca Security. The project lives in the developer security ecosystem as a command line SAST tool that scans source code for patterns and vulnerabilities.
read the full Opengrep overview →
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Frequently asked questions
Is GrowthBook or Opengrep more popular?
GrowthBook has 8,376 GitHub stars and Opengrep has 3,084. 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 (8,376 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.