Decision Workspace
nom_pem vs snacks vs nom-rule
Side-by-side comparison of Rust crates
51
nom_pem
growingv4.0.0
PEM parser (rfc1421) based of nom
49
snacks
growingv0.1.11
more nom parser-combinators
42
nom-rule
growingv0.5.1
A procedural macro for writing nom parsers using a grammar-like DSL.
Core Metrics
| nom_pem | snacks | nom-rule | |
|---|---|---|---|
| Health Score | 51 | 49 | 42 |
| Total Downloads | 128.8K | 7.3K | 548.9K |
| 30d Downloads | 746 | 15 | 11.5K |
| Dependents | 288 | 0 | 16 |
| Releases | 6 | 12 | 13 |
| Last Updated | 2856d ago | 383d ago | 420d ago |
| Age | 8y 3m | 1y | 4y 1m |
Health Breakdown
nom_pem
Maintenance
3
Quality
22
Community
12
Popularity
6
Documentation
8
snacks
Maintenance
11
Quality
15
Community
5
Popularity
5
Documentation
13
nom-rule
Maintenance
7
Quality
10
Community
6
Popularity
7
Documentation
12
Technical Details
| nom_pem | snacks | nom-rule | |
|---|---|---|---|
| Version | 4.0.0 | 0.1.11 | 0.5.1 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 1 | 2 | 7 |
| Crate Size | 7KB | 5KB | 10KB |
| Features | 2 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 15.4% |
| Edition | — | 2021 | 2021 |
| MSRV | — | — | 1.80.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •nom_pem leads with a health score of 51/100, but none of the options score above 80.
- •nom-rule has the most downloads (548.9K), suggesting wider adoption.
- •nom_pem is depended on by 288 crates — strongest ecosystem trust.
- •⚠ nom_pem, snacks, nom-rule have not been updated in over a year.
- •snacks, nom-rule are pre-1.0 — API may change.