Decision Workspace
tinyjson vs ion-rs vs lalrpop-util
Side-by-side comparison of Rust crates
54
tinyjson
growingv2.5.1
Tiny simple JSON parser/generator
70
ion-rs
stablev1.0.0
Implementation of Amazon Ion
68
lalrpop-util
growingv0.23.1
Runtime library for parsers generated by LALRPOP
Core Metrics
| tinyjson | ion-rs | lalrpop-util | |
|---|---|---|---|
| Health Score | 54 | 70 | 68 |
| Total Downloads | 18.2M | 656.9K | 72.8M |
| 30d Downloads | 51.1K | 15.3K | 2.5M |
| Dependents | 271 | 232 | 3.8K |
| Releases | 16 | 35 | 56 |
| Last Updated | 1290d ago | 20d ago | 124d ago |
| Age | 9y 12m | 5y 11m | 10y 11m |
Health Breakdown
tinyjson
Maintenance
4
Quality
20
Community
13
Popularity
8
Documentation
9
ion-rs
Maintenance
17
Quality
17
Community
17
Popularity
7
Documentation
12
lalrpop-util
Maintenance
13
Quality
16
Community
19
Popularity
8
Documentation
12
Technical Details
| tinyjson | ion-rs | lalrpop-util | |
|---|---|---|---|
| Version | 2.5.1 | 1.0.0 | 0.23.1 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT | Apache-2.0 | Apache-2.0 OR MIT |
| Dependencies | 1 | 31 | 1 |
| Crate Size | 13KB | 676KB | 18KB |
| Features | 0 | 9 | 4 |
| Yanked % | 0.0% | 0.0% | 3.6% |
| Edition | 2018 | 2021 | 2024 |
| MSRV | — | 1.82 | 1.86 |
| Owners | 1 | 3 (team) | 2 (team) |
Links
Quick Verdict
- •ion-rs leads with a health score of 70/100, but none of the options score above 80.
- •lalrpop-util has the most downloads (72.8M), suggesting wider adoption.
- •lalrpop-util is depended on by 3.8K crates — strongest ecosystem trust.
- •⚠ tinyjson has not been updated in over a year.
- •lalrpop-util is pre-1.0 — API may change.