head to head · open source
Unleash vs Opengrep
Unleash has 13,811 GitHub stars, 896 forks, 39 open issues and last shipped yesterday. Opengrep has 3,084 stars, 263 forks, 92 open issues and last shipped yesterday. Unleash leads on adoption by 348% (13,811 vs 3,084 stars). Unleash is written in TypeScript under AGPL-3.0; Opengrep is written in OCaml under LGPL-2.1. Unleash has attracted 6% 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 | ★ 3.1K |
| License | AGPL-3.0 | LGPL-2.1 |
| Written in | TypeScript | OCaml |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 896 | ⑂ 263 |
| 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
Unleash is an open source feature management platform written in TypeScript and released under the AGPL 3.0 license. It lives in the DevOps, continuous delivery, and application security ecosystem, and its topics describe feature flags, feature toggles, activation strategies, experiments, and collaboration.
read the full Unleash 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 Unleash or Opengrep more popular?
Unleash has 13,811 GitHub stars and Opengrep has 3,084. 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 (13,811 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.