Decision Workspace
json-number vs ion-rs vs feed-rs
Side-by-side comparison of Rust crates
57
json-number
growingv0.4.10
JSON number parsing and storage
70
ion-rs
stablev1.0.0
Implementation of Amazon Ion
65
feed-rs
stablev2.4.0
A feed parser that handles Atom, RSS 2.0, RSS 1.0, RSS 0.x and JSON Feed
Core Metrics
| json-number | ion-rs | feed-rs | |
|---|---|---|---|
| Health Score | 57 | 70 | 65 |
| Total Downloads | 3.1M | 656.9K | 1.9M |
| 30d Downloads | 127.6K | 16.9K | 147.1K |
| Dependents | 67 | 232 | 550 |
| Releases | 17 | 35 | 33 |
| Last Updated | 182d ago | 20d ago | 7d ago |
| Age | 4y | 5y 11m | 9y 1m |
Health Breakdown
json-number
Maintenance
10
Quality
16
Community
10
Popularity
8
Documentation
13
ion-rs
Maintenance
17
Quality
17
Community
17
Popularity
7
Documentation
12
feed-rs
Maintenance
18
Quality
18
Community
12
Popularity
7
Documentation
10
Technical Details
| json-number | ion-rs | feed-rs | |
|---|---|---|---|
| Version | 0.4.10 | 1.0.0 | 2.4.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT/Apache-2.0 | Apache-2.0 | MIT |
| Dependencies | 6 | 31 | 10 |
| Crate Size | 14KB | 676KB | 165KB |
| Features | 3 | 9 | 1 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.82 | — |
| Owners | 1 | 3 (team) | 1 |
Links
Quick Verdict
- •ion-rs leads with a health score of 70/100, but none of the options score above 80.
- •json-number has the most downloads (3.1M), suggesting wider adoption.
- •feed-rs is depended on by 550 crates — strongest ecosystem trust.
- •json-number is pre-1.0 — API may change.