Decision Workspace
vparser vs calcard vs icalendar
Side-by-side comparison of Rust crates
50
vparser
growingv1.2.0
Low-level non-validating icalendar/vcard parser.
52
calcard
experimentalv0.3.2
iCalendar/JSCalendar and vCard/JSContact parsing, building and conversion library for Rust
62
icalendar
growingv0.17.6
Strongly typed iCalendar builder and parser.
Core Metrics
| vparser | calcard | icalendar | |
|---|---|---|---|
| Health Score | 50 | 52 | 62 |
| Total Downloads | 10.9K | 25.9K | 368.2K |
| 30d Downloads | 176 | 2.1K | 22.6K |
| Dependents | 10 | 15 | 215 |
| Releases | 9 | 8 | 58 |
| Last Updated | 148d ago | 105d ago | 104d ago |
| Age | 2y 4m | 10m | 9y 4m |
Health Breakdown
vparser
Maintenance
11
Quality
21
Community
6
Popularity
5
Documentation
7
calcard
Maintenance
15
Quality
13
Community
9
Popularity
5
Documentation
10
icalendar
Maintenance
14
Quality
14
Community
12
Popularity
7
Documentation
15
Technical Details
| vparser | calcard | icalendar | |
|---|---|---|---|
| Version | 1.2.0 | 0.3.2 | 0.17.6 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | ISC | Apache-2.0 OR MIT | MIT/Apache-2.0 |
| Dependencies | 0 | 15 | 11 |
| Crate Size | 10KB | 942KB | 69KB |
| Features | 0 | 5 | 3 |
| Yanked % | 0.0% | 0.0% | 1.7% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | — | 1.60 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •icalendar leads with a health score of 62/100, but none of the options score above 80.
- •icalendar is depended on by 215 crates — strongest ecosystem trust.
- •calcard, icalendar are pre-1.0 — API may change.