Decision Workspace
turbocow vs ecow vs calf-vec
Side-by-side comparison of Rust crates
49
turbocow
experimentalv0.3.0-beta.2
Compact, clone-on-write vectors, strings, maps and sets with inline + referenced storage — a superset of ecow.
65
ecow
growingv0.3.0
Compact, clone-on-write vector and string.
47
calf-vec
growingv0.3.1-beta
Small copy-on-write arrays, essentially combining `SmallVec` and `Cow`
Core Metrics
| turbocow | ecow | calf-vec | |
|---|---|---|---|
| Health Score | 49 | 65 | 47 |
| Total Downloads | 40 | 4.3M | 6.2K |
| 30d Downloads | 0 | 514.4K | 0 |
| Dependents | 0 | 1.6K | 0 |
| Releases | 2 | 12 | 4 |
| Last Updated | 27d ago | 48d ago | 2093d ago |
| Age | 27d | 3y 4m | 5y 8m |
Health Breakdown
turbocow
Maintenance
12
Quality
14
Community
6
Popularity
2
Documentation
15
ecow
Maintenance
16
Quality
14
Community
15
Popularity
8
Documentation
12
calf-vec
Maintenance
9
Quality
16
Community
5
Popularity
5
Documentation
12
Technical Details
| turbocow | ecow | calf-vec | |
|---|---|---|---|
| Version | 0.3.0-beta.2 | 0.3.0 | 0.3.1-beta |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT/Apache-2.0 |
| Dependencies | 24 | 2 | 0 |
| Crate Size | 172KB | 36KB | 11KB |
| Features | 12 | 2 | 0 |
| Yanked % | 0.0% | 8.3% | 0.0% |
| Edition | 2024 | 2021 | 2018 |
| MSRV | 1.85 | 1.73 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •ecow leads with a health score of 65/100, but none of the options score above 80.
- •ecow is depended on by 1.6K crates — strongest ecosystem trust.
- •⚠ calf-vec has not been updated in over a year.