Decision Workspace
jsonmap vs litemap vs chashmap
Side-by-side comparison of Rust crates
48
jsonmap
growingv0.1.3
JsonMap for store values of multiple types value in one Map.
66
litemap
growingv0.8.1
A key-value Map implementation based on a flat, sorted Vec.
58
chashmap
growingv2.2.2
Fast, concurrent hash maps with extensive API.
Core Metrics
| jsonmap | litemap | chashmap | |
|---|---|---|---|
| Health Score | 48 | 66 | 58 |
| Total Downloads | 7.6K | 261.6M | 2.2M |
| 30d Downloads | 111 | 33.0M | 119.8K |
| Dependents | 10 | 343 | 598 |
| Releases | 4 | 18 | 12 |
| Last Updated | 618d ago | 150d ago | 2585d ago |
| Age | 1y 8m | 5y 1m | 9y 1m |
Health Breakdown
jsonmap
Maintenance
10
Quality
15
Community
9
Popularity
5
Documentation
9
litemap
Maintenance
14
Quality
16
Community
15
Popularity
8
Documentation
13
chashmap
Maintenance
4
Quality
20
Community
15
Popularity
8
Documentation
11
Technical Details
| jsonmap | litemap | chashmap | |
|---|---|---|---|
| Version | 0.1.3 | 0.8.1 | 2.2.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | GPL-3.0-or-later | Unicode-3.0 | MIT |
| Dependencies | 2 | 10 | 2 |
| Crate Size | 17KB | 34KB | 15KB |
| Features | 0 | 6 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | — |
| MSRV | — | 1.82 | — |
| Owners | 1 | 2 (team) | 3 |
Links
Quick Verdict
- •litemap leads with a health score of 66/100, but none of the options score above 80.
- •chashmap is depended on by 598 crates — strongest ecosystem trust.
- •⚠ jsonmap, chashmap have not been updated in over a year.
- •jsonmap, litemap are pre-1.0 — API may change.