Decision Workspace
calcard vs vparser vs icalendar
Side-by-side comparison of Rust crates
59
calcard
growingv0.3.6
iCalendar/JSCalendar and vCard/JSContact parsing, building and conversion library for Rust
52
vparser
stablev1.2.1
Low-level non-validating icalendar/vcard parser.
68
icalendar
growingv0.17.12
Strongly typed iCalendar builder and parser.
Core Metrics
| calcard | vparser | icalendar | |
|---|---|---|---|
| Health Score | 59 | 52 | 68 |
| Total Downloads | 38.3K | 11.5K | 554.9K |
| 30d Downloads | 2.6K | 0 | 54.0K |
| Dependents | 34 | 14 | 302 |
| Releases | 12 | 10 | 64 |
| Last Updated | 4d ago | 94d ago | 19d ago |
| Age | 1y 2m | 2y 7m | 9y 7m |
Health Breakdown
calcard
Maintenance
20
Quality
14
Community
10
Popularity
5
Documentation
10
vparser
Maintenance
13
Quality
21
Community
6
Popularity
5
Documentation
7
icalendar
Maintenance
18
Quality
15
Community
13
Popularity
7
Documentation
15
Technical Details
| calcard | vparser | icalendar | |
|---|---|---|---|
| Version | 0.3.6 | 1.2.1 | 0.17.12 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 OR MIT | ISC | MIT/Apache-2.0 |
| Dependencies | 15 | 0 | 13 |
| Crate Size | 944KB | 10KB | 87KB |
| 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 68/100, but none of the options score above 80.
- •icalendar is depended on by 302 crates — strongest ecosystem trust.
- •calcard, icalendar are pre-1.0 — API may change.