head to head · open source
open-code-review vs cargo-crev
open-code-review has 34,427 GitHub stars, 2,452 forks, 160 open issues and last shipped yesterday. cargo-crev has 2,335 stars, 96 forks, 52 open issues and last shipped 2 months ago. open-code-review leads on adoption by 1,374% (34,427 vs 2,335 stars). open-code-review is written in Go under Apache-2.0; cargo-crev is written in Rust under Apache-2.0. open-code-review has attracted 7% as many forks as stars, cargo-crev 4%. open-code-review was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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
| open-code-review | cargo-crev | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 2.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Rust |
| Last push | 2026-09-17 | 2026-07-21 |
| Forks | ⑂ 2.5K | ⑂ 96 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick open-code-review if
- You weight community size — 34K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick cargo-crev if
- You want the cargo-crev feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and cargo-crev fits your workflow better
About open-code-review
Open Code Review is an Apache 2.0, Go based AI code review CLI that reads Git diffs, sends changed files to a configurable LLM through a tool using agent, and returns line level review comments, built for developers and platform teams that want large scale review automated inside infrastructure they control.
read the full open-code-review overview →
About cargo-crev
cargo crev is a command line tool for the Rust package manager ecosystem. It implements Crev, a distributed code review system that is language and ecosystem agnostic, as a cargo subcommand. The project is written in Rust and licensed under Apache 2.0. It is listed under Developer Tools / Version Control & Collaboration.
read the full cargo-crev overview →
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Frequently asked questions
Is open-code-review or cargo-crev more popular?
open-code-review has 34,427 GitHub stars and cargo-crev has 2,335. open-code-review has the larger community by that measure.
Are open-code-review and cargo-crev free?
Both are open source. open-code-review is licensed under Apache-2.0 and cargo-crev under Apache-2.0. Neither carries a licence fee.
What is the difference between open-code-review and cargo-crev?
open-code-review is written in Go and cargo-crev in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, open-code-review or cargo-crev?
Choose open-code-review if you want the larger community (34,427 stars) or its Apache-2.0 licence terms. Choose cargo-crev if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.