head to head · open source
Reflex vs reviewboard
Reflex has 28,891 GitHub stars, 1,778 forks, 346 open issues and last shipped yesterday. reviewboard has 1,724 stars, 438 forks, 0 open issues and last shipped yesterday. Reflex leads on adoption by 1,576% (28,891 vs 1,724 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 | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.8K | ⑂ 438 |
| 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
Reflex is an open source Apache 2.0 Python library for building full stack web apps and internal tools entirely in Python, aimed at Python developers who want a browser based frontend without learning JavaScript.
read the full Reflex overview →
About reviewboard
Review Board open source web based code document review tool. Python language. MIT license. Developer tools category. Version control collaboration category. Homepage reviewboard.org. GitHub metadata: 1727 stars. 438 forks. 0 open issues. Repo age 17 years. Last push 2026 09 10T19:23:42Z. Helps companies open source projects organizations keep quality high bug count low. Began 2006 fill hole code review market. Wanted open source flexible enough variety workflows. Wanted take pain out code review process. Today used by thousands projects companies. Small startups two people. Enterprises thousands.…
read the full reviewboard overview →
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Frequently asked questions
Is Reflex or reviewboard more popular?
Reflex has 28,891 GitHub stars and reviewboard has 1,724. 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 (28,891 stars) or its Apache-2.0 licence terms. Choose reviewboard if its feature set, stack or MIT licence fits better. Both are self-hostable.