head to head · open source
GitLab vs reviewdog
GitLab has 24,549 GitHub stars, 5,943 forks, 36 open issues and last shipped 11 days ago. reviewdog has 9,716 stars, 512 forks, 131 open issues and last shipped yesterday. GitLab leads on adoption by 153% (24,549 vs 9,716 stars). GitLab is written in Ruby under a custom or non-standard licence; reviewdog is written in Go under MIT. GitLab has attracted 24% as many forks as stars, reviewdog 5%. reviewdog was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (gitlab), 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
| GitLab | reviewdog | |
|---|---|---|
| GitHub stars | ★ 25K | ★ 9.7K |
| License | Custom / other | MIT |
| Written in | Ruby | Go |
| Last push | 2026-10-23 | 2026-11-02 |
| Forks | ⑂ 5.9K | ⑂ 512 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick GitLab if
- You weight community size — 25K stars and counting
- You want the Custom / other license terms
- Your stack matches Ruby
- You value the larger contributor base for long-term maintenance
pick reviewdog if
- You want the reviewdog feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and reviewdog fits your workflow better
About GitLab
GitLab Canonical source The canonical source of GitLab where all development takes place is hosted on GitLab.com. If you wish to clone a copy of GitLab without proprietary code, you can use the read only mirror of GitLab located at However, please do not submit any issues and/or merge requests to that project. Free trial You can request a free trial of GitLab Ultimate on our website. Open source software to collaborate on code To see how GitLab looks please see the features page on our website. Manage Git repositories with fine grained access controls that keep your code secure Perform code reviews and enhance…
read the full GitLab overview →
About reviewdog
reviewdog A code review dog who keeps your codebase healthy. reviewdog provides a way to post review comments to code hosting services, such as GitHub, automatically by integrating with any linter tools with ease. It uses an output of lint tools and posts them as a comment if findings are in the diff of patches to review. reviewdog also supports running in the local environment to filter the output of lint tools by diff. design doc Table of Contents Installation Input Format 'errorformat' Available pre defined 'errorformat' Reviewdog Diagnostic Format (RDFormat) Diff checkstyle format SARIF format Code…
read the full reviewdog overview →
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Frequently asked questions
Is GitLab or reviewdog more popular?
GitLab has 24,549 GitHub stars and reviewdog has 9,716. GitLab has the larger community by that measure.
Are GitLab and reviewdog free?
Both are open source. GitLab has no licence declared in this registry, and reviewdog is licensed under MIT. Both are free to self-host.
What is the difference between GitLab and reviewdog?
GitLab is written in Ruby and reviewdog 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, GitLab or reviewdog?
Choose GitLab if you want the larger community (24,549 stars) or its Custom / other licence terms. Choose reviewdog if its feature set, stack or MIT licence fits better. Both are self-hostable.