Decision Workspace
zmij vs ryu vs az
Side-by-side comparison of Rust crates
66
zmij
experimentalv1.0.21
A double-to-string conversion algorithm based on Schubfach and yy
72
ryu
stablev1.0.23
Fast floating point to string conversion
70
az
stablev1.3.0
Casts and checked casts.
Core Metrics
| zmij | ryu | az | |
|---|---|---|---|
| Health Score | 66 | 72 | 70 |
| Total Downloads | 66.7M | 741.4M | 15.8M |
| 30d Downloads | 30.0M | 47.0M | 1.5M |
| Dependents | 134 | 4.1K | 473 |
| Releases | 35 | 35 | 12 |
| Last Updated | 44d ago | 47d ago | 67d ago |
| Age | 3m | 7y 8m | 6y 6m |
Health Breakdown
zmij
Maintenance
17
Quality
15
Community
11
Popularity
8
Documentation
15
ryu
Maintenance
15
Quality
20
Community
14
Popularity
8
Documentation
15
az
Maintenance
12
Quality
23
Community
12
Popularity
8
Documentation
15
Technical Details
| zmij | ryu | az | |
|---|---|---|---|
| Version | 1.0.21 | 1.0.23 | 1.3.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT | Apache-2.0 OR BSL-1.0 | MIT/Apache-2.0 |
| Dependencies | 8 | 6 | 0 |
| Crate Size | 27KB | 53KB | 29KB |
| Features | 0 | 1 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.71 | 1.71 | 1.85.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •ryu leads with a health score of 72/100, but none of the options score above 80.
- •ryu is depended on by 4.1K crates — strongest ecosystem trust.