Decision Workspace
spectral vs speculoos vs smoothy
Side-by-side comparison of Rust crates
48
spectral
growingv0.6.0
Fluent test assertions
50
speculoos
growingv0.13.0
Fluent test assertions
56
smoothy
growingv0.10.0
Write smooth assertions in a fluent and human readable way
Core Metrics
| spectral | speculoos | smoothy | |
|---|---|---|---|
| Health Score | 48 | 50 | 56 |
| Total Downloads | 736.1K | 440.8K | 24.7K |
| 30d Downloads | 11.0K | 18.7K | 0 |
| Dependents | 935 | 968 | 10 |
| Releases | 8 | 7 | 25 |
| Last Updated | 3454d ago | 411d ago | 147d ago |
| Age | 9y 8m | 4y 8m | 2y 6m |
Health Breakdown
spectral
Maintenance
6
Quality
16
Community
11
Popularity
7
Documentation
8
speculoos
Maintenance
5
Quality
17
Community
11
Popularity
7
Documentation
10
smoothy
Maintenance
12
Quality
16
Community
8
Popularity
5
Documentation
15
Technical Details
| spectral | speculoos | smoothy | |
|---|---|---|---|
| Version | 0.6.0 | 0.13.0 | 0.10.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | Apache-2.0 | MIT |
| Dependencies | 1 | 2 | 7 |
| Crate Size | 22KB | 27KB | 33KB |
| Features | 1 | 2 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2021 | 2021 |
| MSRV | — | — | 1.81 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •smoothy leads with a health score of 56/100, but none of the options score above 80.
- •spectral has the most downloads (736.1K), suggesting wider adoption.
- •speculoos is depended on by 968 crates — strongest ecosystem trust.
- •⚠ spectral, speculoos have not been updated in over a year.