Decision Workspace
chumsky vs ketchup vs aott
Side-by-side comparison of Rust crates
64
chumsky
growingv0.12.0
A parser library for humans with powerful error recovery
50
ketchup
growingv2.0.2
A parser that can *ketch-up* with your programming language.
39
aott
growingv0.2.0
Aspect Of The Tokens - a parser combinator framework.
Core Metrics
| chumsky | ketchup | aott | |
|---|---|---|---|
| Health Score | 64 | 50 | 39 |
| Total Downloads | 14.4M | 12.3K | 3.1K |
| 30d Downloads | 2.7M | 35 | 6 |
| Dependents | 1.8K | 3 | 0 |
| Releases | 33 | 12 | 2 |
| Last Updated | 102d ago | 469d ago | 939d ago |
| Age | 4y 8m | 2y | 2y 7m |
Health Breakdown
chumsky
Maintenance
14
Quality
10
Community
20
Popularity
8
Documentation
12
ketchup
Maintenance
7
Quality
20
Community
8
Popularity
5
Documentation
10
aott
Maintenance
4
Quality
17
Community
6
Popularity
4
Documentation
8
Technical Details
| chumsky | ketchup | aott | |
|---|---|---|---|
| Version | 0.12.0 | 2.0.2 | 0.2.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT OR Apache-2.0 | non-standard |
| Dependencies | 26 | 0 | 5 |
| Crate Size | 193KB | 15KB | 33KB |
| Features | 17 | 0 | 5 |
| Yanked % | 12.1% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.65 | — | — |
| Owners | 2 (team) | 1 | 1 |
Links
Quick Verdict
- •chumsky leads with a health score of 64/100, but none of the options score above 80.
- •chumsky is depended on by 1.8K crates — strongest ecosystem trust.
- •⚠ ketchup, aott have not been updated in over a year.
- •chumsky, aott are pre-1.0 — API may change.