Decision Workspace
small_uid vs nulid vs rusty_ulid
Side-by-side comparison of Rust crates
36
small_uid
growingv0.2.4
A 64 bit lexicographically sortable unique identifier implementation
58
nulid
experimentalv0.10.1
Nanosecond-Precision Universally Lexicographically Sortable Identifier
56
rusty_ulid
growingv2.0.0
Rust ULID (Universally Unique Lexicographically Sortable Identifier) generation and processing
Core Metrics
| small_uid | nulid | rusty_ulid | |
|---|---|---|---|
| Health Score | 36 | 58 | 56 |
| Total Downloads | 9.8K | 1.1K | 1.2M |
| 30d Downloads | 84 | 242 | 10.3K |
| Dependents | 0 | 2 | 254 |
| Releases | 11 | 24 | 20 |
| Last Updated | 256d ago | 11d ago | 1154d ago |
| Age | 1y 5m | 3m | 7y 11m |
Health Breakdown
small_uid
Maintenance
10
Quality
8
Community
3
Popularity
5
Documentation
10
nulid
Maintenance
18
Quality
14
Community
7
Popularity
4
Documentation
15
rusty_ulid
Maintenance
5
Quality
19
Community
13
Popularity
7
Documentation
12
Technical Details
| small_uid | nulid | rusty_ulid | |
|---|---|---|---|
| Version | 0.2.4 | 0.10.1 | 2.0.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | MIT/Apache-2.0 |
| Dependencies | 5 | 24 | 11 |
| Crate Size | 13KB | 106KB | 45KB |
| Features | 0 | 17 | 1 |
| Yanked % | 54.5% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | 1.88 | 1.60 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •nulid leads with a health score of 58/100, but none of the options score above 80.
- •rusty_ulid has the most downloads (1.2M), suggesting wider adoption.
- •rusty_ulid is depended on by 254 crates — strongest ecosystem trust.
- •⚠ rusty_ulid has not been updated in over a year.
- •small_uid, nulid are pre-1.0 — API may change.