Decision Workspace
semver vs target-spec vs vergen
Side-by-side comparison of Rust crates
62
semver
growingv1.0.27
Parser and evaluator for Cargo's flavor of Semantic Versioning
77
target-spec
stablev3.5.7
Evaluate Cargo.toml target specifications
75
vergen
stablev9.1.0
Generate 'cargo:rustc-env' instructions via 'build.rs' for use in your code via the 'env!' macro
Core Metrics
| semver | target-spec | vergen | |
|---|---|---|---|
| Health Score | 62 | 77 | 75 |
| Total Downloads | 630.8M | 10.4M | 37.2M |
| 30d Downloads | 42.5M | 781.7K | 2.2M |
| Dependents | 43.8K | 302 | 4.4K |
| Releases | 65 | 46 | 126 |
| Last Updated | 194d ago | 56d ago | today |
| Age | 11y 4m | 6y | 11y 1m |
Health Breakdown
semver
Maintenance
10
Quality
16
Community
14
Popularity
8
Documentation
14
target-spec
Maintenance
17
Quality
19
Community
18
Popularity
8
Documentation
15
vergen
Maintenance
19
Quality
18
Community
15
Popularity
8
Documentation
15
Technical Details
| semver | target-spec | vergen | |
|---|---|---|---|
| Version | 1.0.27 | 3.5.7 | 9.1.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 2 | 8 | 13 |
| Crate Size | 30KB | 32KB | 33KB |
| Features | 3 | 3 | 7 |
| Yanked % | 32.3% | 2.2% | 6.3% |
| Edition | 2018 | 2024 | 2024 |
| MSRV | 1.61 | 1.86 | 1.88.0 |
| Owners | 1 | 3 (team) | 1 |
Links
Quick Verdict
- •target-spec leads with a health score of 77/100, but none of the options score above 80.
- •semver has the most downloads (630.8M), suggesting wider adoption.
- •semver is depended on by 43.8K crates — strongest ecosystem trust.