Decision Workspace
json-five vs json5 vs ion-rs
Side-by-side comparison of Rust crates
57
json-five
growingv0.3.1
JSON5 parser with round-trip capabilities and compatible with the serde data model
58
json5
stablev1.3.1
A Rust JSON5 serializer and deserializer which speaks Serde.
58
ion-rs
growingv0.18.1
Implementation of Amazon Ion
Core Metrics
| json-five | json5 | ion-rs | |
|---|---|---|---|
| Health Score | 57 | 58 | 58 |
| Total Downloads | 254.4K | 48.3M | 537.2K |
| 30d Downloads | 82.8K | 4.2M | 16.5K |
| Dependents | 43 | 3.6K | 227 |
| Releases | 8 | 20 | 33 |
| Last Updated | 78d ago | 48d ago | 442d ago |
| Age | 1y 1m | 7y 8m | 5y 7m |
Health Breakdown
json-five
Maintenance
15
Quality
16
Community
10
Popularity
6
Documentation
10
json5
Maintenance
13
Quality
15
Community
12
Popularity
8
Documentation
10
ion-rs
Maintenance
8
Quality
14
Community
17
Popularity
7
Documentation
12
Technical Details
| json-five | json5 | ion-rs | |
|---|---|---|---|
| Version | 0.3.1 | 1.3.1 | 0.18.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | Apache-2.0 |
| Dependencies | 7 | 9 | 19 |
| Crate Size | 49KB | 78KB | 332KB |
| Features | 3 | 0 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | — | 1.65 |
| Owners | 1 | 1 | 3 (team) |
Links
Quick Verdict
- •json5 leads with a health score of 58/100, but none of the options score above 80.
- •json5 is depended on by 3.6K crates — strongest ecosystem trust.
- •⚠ ion-rs has not been updated in over a year.
- •json-five, ion-rs are pre-1.0 — API may change.