Decision Workspace
vcard4 vs vcard_parser vs calcard
Side-by-side comparison of Rust crates
49
vcard4
growingv0.7.3
Fast and correct vCard parser for RFC6350
44
vcard_parser
growingv0.2.2
Parses and validates vCard data according to RFC 6350 specification.
58
calcard
growingv0.3.3
iCalendar/JSCalendar and vCard/JSContact parsing, building and conversion library for Rust
Core Metrics
| vcard4 | vcard_parser | calcard | |
|---|---|---|---|
| Health Score | 49 | 44 | 58 |
| Total Downloads | 42.4K | 11.9K | 31.3K |
| 30d Downloads | 0 | 2.0K | 2.6K |
| Dependents | 115 | 3 | 23 |
| Releases | 26 | 6 | 9 |
| Last Updated | 108d ago | 856d ago | 14d ago |
| Age | 3y 6m | 3y 7m | 1y |
Health Breakdown
vcard4
Maintenance
13
Quality
11
Community
9
Popularity
6
Documentation
10
vcard_parser
Maintenance
4
Quality
14
Community
8
Popularity
5
Documentation
13
calcard
Maintenance
19
Quality
14
Community
10
Popularity
5
Documentation
10
Technical Details
| vcard4 | vcard_parser | calcard | |
|---|---|---|---|
| Version | 0.7.3 | 0.2.2 | 0.3.3 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT | Apache-2.0 OR MIT |
| Dependencies | 16 | 4 | 15 |
| Crate Size | 130KB | 39KB | 943KB |
| Features | 5 | 0 | 5 |
| Yanked % | 7.7% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •calcard leads with a health score of 58/100, but none of the options score above 80.
- •vcard4 has the most downloads (42.4K), suggesting wider adoption.
- •vcard4 is depended on by 115 crates — strongest ecosystem trust.
- •⚠ vcard_parser has not been updated in over a year.