head to head · open source
Unleash vs Opengrep
Unleash has 13,924 GitHub stars, 919 forks, 39 open issues and last shipped yesterday. Opengrep has 3,273 stars, 287 forks, 92 open issues and last shipped yesterday. Unleash leads on adoption by 325% (13,924 vs 3,273 stars). Unleash is written in TypeScript under AGPL-3.0; Opengrep is written in OCaml under LGPL-2.1. Unleash has attracted 7% as many forks as stars, Opengrep 9%. Opengrep 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
| Unleash | Opengrep | |
|---|---|---|
| GitHub stars | ★ 14K | ★ 3.3K |
| License | AGPL-3.0 | LGPL-2.1 |
| Written in | TypeScript | OCaml |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 919 | ⑂ 287 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Unleash if
- You weight community size — 14K stars and counting
- You want the AGPL-3.0 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 Unleash
Launch the live demo Try Unleash Enterprise for free What is Unleash? Unleash is a powerful open source solution for feature management. It streamlines your development workflow, accelerates software delivery, and empowers teams to control how and when they roll out new features to end users. With Unleash, you can deploy code to production in smaller, more manageable releases at your own pace. Feature flags in Unleash let you test your code with real production data, reducing the risk of negatively impacting your users' experience. It also enables your team to work on multiple features simultaneously without the…
read the full Unleash 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 Unleash or Opengrep more popular?
Unleash has 13,924 GitHub stars and Opengrep has 3,273. Unleash has the larger community by that measure.
Are Unleash and Opengrep free?
Both are open source. Unleash is licensed under AGPL-3.0 and Opengrep under LGPL-2.1. Neither carries a licence fee.
What is the difference between Unleash and Opengrep?
Unleash 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, Unleash or Opengrep?
Choose Unleash if you want the larger community (13,924 stars) or its AGPL-3.0 licence terms. Choose Opengrep if its feature set, stack or LGPL-2.1 licence fits better. Both are self-hostable.