Decision Workspace
jscalendar vs cmw vs serde_json
Side-by-side comparison of Rust crates
43
jscalendar
experimentalv0.1.0
JSCalendar (RFC 8984) data model with parser-agnostic JSON support
41
cmw
experimentalv0.1.0
Rust implementation of CMW
77
serde_json
stablev1.0.149
A JSON serialization file format
Core Metrics
| jscalendar | cmw | serde_json | |
|---|---|---|---|
| Health Score | 43 | 41 | 77 |
| Total Downloads | 23 | 320 | 800.0M |
| 30d Downloads | 23 | 147 | 53.0M |
| Dependents | 0 | 0 | 673.2K |
| Releases | 1 | 1 | 181 |
| Last Updated | 23d ago | 121d ago | 80d ago |
| Age | 23d | 4m | 10y 7m |
Health Breakdown
jscalendar
Maintenance
12
Quality
13
Community
6
Popularity
2
Documentation
10
cmw
Maintenance
7
Quality
13
Community
6
Popularity
3
Documentation
12
serde_json
Maintenance
15
Quality
19
Community
20
Popularity
8
Documentation
15
Technical Details
| jscalendar | cmw | serde_json | |
|---|---|---|---|
| Version | 0.1.0 | 0.1.0 | 1.0.149 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 8 | 18 | 15 |
| Crate Size | 52KB | 40KB | 156KB |
| Features | 1 | 2 | 8 |
| Yanked % | 0.0% | 0.0% | 1.1% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.85.0 | 1.68 |
| Owners | 1 | 1 | 2 (team) |
Links
Quick Verdict
- •serde_json leads with a health score of 77/100, but none of the options score above 80.
- •serde_json is depended on by 673.2K crates — strongest ecosystem trust.
- •jscalendar, cmw are pre-1.0 — API may change.