Decision Workspace
contrafact vs uselesskey-core-seed vs uselesskey-core-hash
Side-by-side comparison of Rust crates
50
contrafact
growingv0.2.0-rc.1
A trait for highly composable constraints ("facts") which can be used both to verify data and to generate arbitrary data within those constraints
61
uselesskey-core-seed
experimentalv0.5.0
Seed parsing and redaction primitives for uselesskey.
61
uselesskey-core-hash
experimentalv0.5.0
Length-prefixed hashing helpers shared by deterministic fixture derivation paths.
Core Metrics
| contrafact | uselesskey-core-seed | uselesskey-core-hash | |
|---|---|---|---|
| Health Score | 50 | 61 | 61 |
| Total Downloads | 152.8K | 10.7K | 10.7K |
| 30d Downloads | 5.4K | 10.7K | 10.7K |
| Dependents | 1.6K | 20 | 30 |
| Releases | 12 | 5 | 5 |
| Last Updated | 1001d ago | today | today |
| Age | 4y 10m | 20d | 20d |
Health Breakdown
contrafact
Maintenance
4
Quality
11
Community
19
Popularity
6
Documentation
10
uselesskey-core-seed
Maintenance
16
Quality
15
Community
10
Popularity
5
Documentation
15
uselesskey-core-hash
Maintenance
16
Quality
15
Community
10
Popularity
5
Documentation
15
Technical Details
| contrafact | uselesskey-core-seed | uselesskey-core-hash | |
|---|---|---|---|
| Version | 0.2.0-rc.1 | 0.5.0 | 0.5.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 10 | 7 | 4 |
| Crate Size | 22KB | 18KB | 14KB |
| Features | 2 | 2 | 2 |
| Yanked % | 16.7% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.92 | 1.92 |
| Owners | 2 (team) | 1 | 1 |
Links
Quick Verdict
- •uselesskey-core-seed leads with a health score of 61/100, but none of the options score above 80.
- •contrafact has the most downloads (152.8K), suggesting wider adoption.
- •contrafact is depended on by 1.6K crates — strongest ecosystem trust.
- •⚠ contrafact has not been updated in over a year.