Decision Workspace
dragonbox_ecma vs ryu vs az
Side-by-side comparison of Rust crates
59
dragonbox_ecma
experimentalv0.1.12
Fast floating point to string conversion conforming to ECMAScript specification
72
ryu
stablev1.0.23
Fast floating point to string conversion
70
az
stablev1.3.0
Casts and checked casts.
Core Metrics
| dragonbox_ecma | ryu | az | |
|---|---|---|---|
| Health Score | 59 | 72 | 70 |
| Total Downloads | 1.0M | 741.4M | 15.8M |
| 30d Downloads | 351.2K | 45.3M | 1.4M |
| Dependents | 141 | 4.1K | 473 |
| Releases | 7 | 35 | 12 |
| Last Updated | 45d ago | 47d ago | 67d ago |
| Age | 10m | 7y 8m | 6y 6m |
Health Breakdown
dragonbox_ecma
Maintenance
16
Quality
10
Community
11
Popularity
7
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
| dragonbox_ecma | ryu | az | |
|---|---|---|---|
| Version | 0.1.12 | 1.0.23 | 1.3.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | Apache-2.0 WITH LLVM-exception OR BSL-1.0 | Apache-2.0 OR BSL-1.0 | MIT/Apache-2.0 |
| Dependencies | 2 | 6 | 0 |
| Crate Size | 47KB | 53KB | 29KB |
| Features | 3 | 1 | 2 |
| Yanked % | 57.1% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.79 | 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.
- •dragonbox_ecma is pre-1.0 — API may change.