Decision Workspace
x509-parser vs asn1-rs vs iso8601
Side-by-side comparison of Rust crates
61
x509-parser
growingv0.18.1
Parser for the X.509 v3 format (RFC 5280 certificates)
64
asn1-rs
growingv0.7.2
Parser/encoder for ASN.1 BER/DER data
59
iso8601
growingv0.6.3
Parsing ISO8601 dates using nom
Core Metrics
| x509-parser | asn1-rs | iso8601 | |
|---|---|---|---|
| Health Score | 61 | 64 | 59 |
| Total Downloads | 111.9M | 105.3M | 34.4M |
| 30d Downloads | 8.7M | 9.1M | 1.3M |
| Dependents | 5.5K | 357 | 835 |
| Releases | 39 | 18 | 14 |
| Last Updated | 109d ago | 7d ago | 375d ago |
| Age | 8y 4m | 4y 10m | 10y 6m |
Health Breakdown
x509-parser
Maintenance
13
Quality
14
Community
15
Popularity
8
Documentation
11
asn1-rs
Maintenance
18
Quality
15
Community
12
Popularity
8
Documentation
11
iso8601
Maintenance
6
Quality
16
Community
16
Popularity
8
Documentation
13
Technical Details
| x509-parser | asn1-rs | iso8601 | |
|---|---|---|---|
| Version | 0.18.1 | 0.7.2 | 0.6.3 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 11 | 16 | 5 |
| Crate Size | 103KB | 93KB | 23KB |
| Features | 4 | 8 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2018 | 2021 |
| MSRV | 1.67.1 | 1.68 | — |
| Owners | 1 | 1 | 2 |
Links
Quick Verdict
- •asn1-rs leads with a health score of 64/100, but none of the options score above 80.
- •x509-parser has the most downloads (111.9M), suggesting wider adoption.
- •x509-parser is depended on by 5.5K crates — strongest ecosystem trust.
- •⚠ iso8601 has not been updated in over a year.