head to head · open source
Reflex vs crit
Reflex has 28,891 GitHub stars, 1,778 forks, 346 open issues and last shipped yesterday. crit has 1,090 stars, 85 forks, 22 open issues and last shipped yesterday. Reflex leads on adoption by 2,551% (28,891 vs 1,090 stars). Reflex is written in Python under Apache-2.0; crit is written in Go under MIT. Reflex has attracted 6% as many forks as stars, crit 8%. Reflex was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (developer-tools), 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 | crit | |
|---|---|---|
| GitHub stars | ★ 29K | ★ 1.1K |
| License | Apache-2.0 | MIT |
| Written in | Python | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.8K | ⑂ 85 |
| 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 crit if
- You want the crit feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and crit 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 crit
Crit is a local, single binary review interface for agentic coding workflows that lets a developer comment directly on generated plans, code diffs, and frontend elements and send that feedback back to the coding agent.
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Frequently asked questions
Is Reflex or crit more popular?
Reflex has 28,891 GitHub stars and crit has 1,090. Reflex has the larger community by that measure.
Are Reflex and crit free?
Both are open source. Reflex is licensed under Apache-2.0 and crit under MIT. Neither carries a licence fee.
What is the difference between Reflex and crit?
Reflex is written in Python and crit 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 crit?
Choose Reflex if you want the larger community (28,891 stars) or its Apache-2.0 licence terms. Choose crit if its feature set, stack or MIT licence fits better. Both are self-hostable.