head to head · open source
Reflex vs reviewdog
Reflex has 28,987 GitHub stars, 1,827 forks, 346 open issues and last shipped yesterday. reviewdog has 9,716 stars, 512 forks, 131 open issues and last shipped yesterday. Reflex leads on adoption by 198% (28,987 vs 9,716 stars). Reflex is written in Python under Apache-2.0; reviewdog is written in Go under MIT. Reflex has attracted 6% as many forks as stars, reviewdog 5%. Reflex 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
| Reflex | reviewdog | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 9.7K |
| License | Apache-2.0 | MIT |
| Written in | Python | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.8K | ⑂ 512 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Reflex if
- You weight community size — 29K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- 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 Reflex
✨ Performant, customizable web apps in pure Python. Deploy in seconds. ✨ [!NOTE] Build faster with Reflex: AI Builder Generate full stack Reflex apps in seconds. Agent Toolkit Connect MCP and Skills to your coding assistant. App Management Deploy and manage your Reflex apps. Introduction Reflex is a library to build full stack web apps in pure Python. Key features: Pure Python Write your app's frontend and backend all in Python, no need to learn Javascript. Full Flexibility Reflex is easy to get started with, but can also scale to complex apps. See our architecture page to learn how Reflex works under the hood…
read the full Reflex 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 Reflex or reviewdog more popular?
Reflex has 28,987 GitHub stars and reviewdog has 9,716. Reflex has the larger community by that measure.
Are Reflex and reviewdog free?
Both are open source. Reflex is licensed under Apache-2.0 and reviewdog under MIT. Neither carries a licence fee.
What is the difference between Reflex and reviewdog?
Reflex is written in Python 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, Reflex or reviewdog?
Choose Reflex if you want the larger community (28,987 stars) or its Apache-2.0 licence terms. Choose reviewdog if its feature set, stack or MIT licence fits better. Both are self-hostable.