Decision Workspace
json-number vs ion-rs vs akari
Side-by-side comparison of Rust crates
59
json-number
growingv0.4.10
JSON number parsing and storage
67
ion-rs
growingv0.18.1
Implementation of Amazon Ion
60
akari
growingv0.2.7
Dynamic & Weakly Typed Programming Powered by Rust
Core Metrics
| json-number | ion-rs | akari | |
|---|---|---|---|
| Health Score | 59 | 67 | 60 |
| Total Downloads | 2.7M | 599.9K | 12.1K |
| 30d Downloads | 274.3K | 40.5K | 0 |
| Dependents | 67 | 230 | 88 |
| Releases | 17 | 34 | 18 |
| Last Updated | 133d ago | 14d ago | 85d ago |
| Age | 3y 11m | 5y 9m | 1y 2m |
Health Breakdown
json-number
Maintenance
12
Quality
16
Community
10
Popularity
8
Documentation
13
ion-rs
Maintenance
17
Quality
14
Community
17
Popularity
7
Documentation
12
akari
Maintenance
14
Quality
18
Community
13
Popularity
5
Documentation
10
Technical Details
| json-number | ion-rs | akari | |
|---|---|---|---|
| Version | 0.4.10 | 0.18.1 | 0.2.7 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT/Apache-2.0 | Apache-2.0 | GPL-3.0-or-later |
| Dependencies | 6 | 19 | 1 |
| Crate Size | 14KB | 332KB | 68KB |
| Features | 3 | 5 | 7 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | 1.65 | — |
| Owners | 1 | 3 (team) | 2 |
Links
Quick Verdict
- •ion-rs leads with a health score of 67/100, but none of the options score above 80.
- •json-number has the most downloads (2.7M), suggesting wider adoption.
- •ion-rs is depended on by 230 crates — strongest ecosystem trust.