Decision Workspace
calcard vs vparser vs icalendar
Side-by-side comparison of Rust crates
58
calcard
growingv0.3.3
iCalendar/JSCalendar and vCard/JSContact parsing, building and conversion library for Rust
54
vparser
stablev1.2.1
Low-level non-validating icalendar/vcard parser.
66
icalendar
growingv0.17.10
Strongly typed iCalendar builder and parser.
Core Metrics
| calcard | vparser | icalendar | |
|---|---|---|---|
| Health Score | 58 | 54 | 66 |
| Total Downloads | 31.3K | 11.3K | 434.6K |
| 30d Downloads | 2.6K | 0 | 35.6K |
| Dependents | 23 | 12 | 253 |
| Releases | 9 | 10 | 62 |
| Last Updated | 14d ago | 45d ago | 51d ago |
| Age | 1y | 2y 6m | 9y 6m |
Health Breakdown
calcard
Maintenance
19
Quality
14
Community
10
Popularity
5
Documentation
10
vparser
Maintenance
15
Quality
21
Community
6
Popularity
5
Documentation
7
icalendar
Maintenance
16
Quality
15
Community
13
Popularity
7
Documentation
15
Technical Details
| calcard | vparser | icalendar | |
|---|---|---|---|
| Version | 0.3.3 | 1.2.1 | 0.17.10 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 OR MIT | ISC | MIT/Apache-2.0 |
| Dependencies | 15 | 0 | 13 |
| Crate Size | 943KB | 10KB | 85KB |
| Features | 5 | 0 | 5 |
| Yanked % | 0.0% | 0.0% | 1.6% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | — | 1.88 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •icalendar leads with a health score of 66/100, but none of the options score above 80.
- •icalendar is depended on by 253 crates — strongest ecosystem trust.
- •calcard, icalendar are pre-1.0 — API may change.