Decision Workspace
gts-validator vs mailchecker vs utoipa
Side-by-side comparison of Rust crates
47
gts-validator
experimentalv0.8.4
GTS identifier validator for documentation and configuration files
66
mailchecker
stablev6.0.20
Cross-language temporary (disposable/throwaway) email detection library. Covers 2740 fake email providers.
65
utoipa
growingv5.4.0
Compile time generated OpenAPI documentation for Rust
Core Metrics
| gts-validator | mailchecker | utoipa | |
|---|---|---|---|
| Health Score | 47 | 66 | 65 |
| Total Downloads | 7.9K | 507.1K | 22.6M |
| 30d Downloads | 7.6K | 24.8K | 2.9M |
| Dependents | 0 | 61 | 10.1K |
| Releases | 3 | 141 | 59 |
| Last Updated | 21d ago | 21d ago | 284d ago |
| Age | 1m | 9y 2m | 4y 2m |
Health Breakdown
gts-validator
Maintenance
13
Quality
12
Community
5
Popularity
5
Documentation
12
mailchecker
Maintenance
18
Quality
19
Community
11
Popularity
7
Documentation
11
utoipa
Maintenance
9
Quality
22
Community
14
Popularity
8
Documentation
12
Technical Details
| gts-validator | mailchecker | utoipa | |
|---|---|---|---|
| Version | 0.8.4 | 6.0.20 | 5.4.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 10 | 3 | 6 |
| Crate Size | 38KB | 335KB | 79KB |
| Features | 0 | 0 | 25 |
| Yanked % | 0.0% | 0.0% | 3.4% |
| Edition | 2024 | — | 2021 |
| MSRV | 1.92.0 | — | 1.75 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mailchecker leads with a health score of 66/100, but none of the options score above 80.
- •utoipa has the most downloads (22.6M), suggesting wider adoption.
- •utoipa is depended on by 10.1K crates — strongest ecosystem trust.
- •gts-validator is pre-1.0 — API may change.