head to head · open source
Reflex vs reviewboard
Reflex has 28,987 GitHub stars, 1,827 forks, 346 open issues and last shipped yesterday. reviewboard has 1,729 stars, 436 forks, 0 open issues and last shipped yesterday. Reflex leads on adoption by 1,577% (28,987 vs 1,729 stars). Reflex is written in Python under Apache-2.0; reviewboard is written in Python under MIT. Reflex has attracted 6% as many forks as stars, reviewboard 25%. Reflex was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (developer-tools, python), 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
| Reflex | reviewboard | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 1.7K |
| License | Apache-2.0 | MIT |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.8K | ⑂ 436 |
| 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 reviewboard if
- You want the reviewboard feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and reviewboard 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 reviewboard
Review Board ============ Review Board is an open source, web based code and document review tool built to help companies, open source projects, and other organizations keep their quality high and their bug count low. We began writing Review Board in 2006 to fill a hole in the code review market. We wanted something open source that could be flexible enough to work with a variety of workflows, and could take the pain out of the code review process. Today, it's a vital part of the development process at thousands of projects and companies, ranging from small startups of two people to enterprises of thousands…
read the full reviewboard overview →
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Frequently asked questions
Is Reflex or reviewboard more popular?
Reflex has 28,987 GitHub stars and reviewboard has 1,729. Reflex has the larger community by that measure.
Are Reflex and reviewboard free?
Both are open source. Reflex is licensed under Apache-2.0 and reviewboard under MIT. Neither carries a licence fee.
What is the difference between Reflex and reviewboard?
Reflex is written in Python and reviewboard in Python. 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 reviewboard?
Choose Reflex if you want the larger community (28,987 stars) or its Apache-2.0 licence terms. Choose reviewboard if its feature set, stack or MIT licence fits better. Both are self-hostable.