head to head · open source
crit vs flow-next
crit has 1,268 GitHub stars, 106 forks, 22 open issues and last shipped 3 days ago. flow-next has 716 stars, 63 forks, 6 open issues and last shipped 2 days ago. crit leads on adoption by 77% (1,268 vs 716 stars). crit is written in Go under MIT; flow-next is written in Python under MIT. crit has attracted 8% as many forks as stars, flow-next 9%. flow-next was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (cli, code-review), 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
| crit | flow-next | |
|---|---|---|
| GitHub stars | ★ 1.3K | ★ 716 |
| License | MIT | MIT |
| Written in | Go | Python |
| Last push | 2026-11-02 | 2026-11-03 |
| Forks | ⑂ 106 | ⑂ 63 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick crit if
- You weight community size — 1.3K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick flow-next if
- You want the flow-next feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and flow-next fits your workflow better
About crit
Crit Review and comment on plans, code diffs, frontend elements and send feedback directly to your agent. Adaptive UI for each type of output For agents, plans and code are all the same it's just text, but for us, humans, reviewing generated plans and reviewing web application are two very different activities. Crit adds a proper interface for each type of output and lets you point at the exact thing that is wrong and leave a comment for the agent to fix: crit plan.md renders a markdown file with proper formatting and review UI crit auto detects git changes and shows syntax highlighted diffs for local review…
About flow-next
Flow Next Agents generate. flow next proves. Implementation got cheap. Reviewing it, verifying it, and keeping a codebase coherent did not. Flow Next is a workflow plugin that runs inside your coding agent. Give it the change you want and the rules your project follows. It turns that intent into specs, implementation, review, and pull requests with evidence. Your specs, decisions, and task state live in your repository. A real recorded run: plan, then cross model plan review (catches a missing guard, fix, SHIP), then implement plus tests, then impl review SHIP, ending on the receipt. Nothing staged; every frame…
read the full flow-next overview →
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Frequently asked questions
Is crit or flow-next more popular?
crit has 1,268 GitHub stars and flow-next has 716. crit has the larger community by that measure.
Are crit and flow-next free?
Both are open source. crit is licensed under MIT and flow-next under MIT. Neither carries a licence fee.
What is the difference between crit and flow-next?
crit is written in Go and flow-next 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, crit or flow-next?
Choose crit if you want the larger community (1,268 stars) or its MIT licence terms. Choose flow-next if its feature set, stack or MIT licence fits better. Both are self-hostable.