Decision Workspace
composr vs composer-semver vs composer-php-json
Side-by-side comparison of Rust crates
43
composr
experimentalv1.0.0
Fast Rust install + dump-autoload for Composer projects (vowels not included)
56
composer-semver
experimentalv0.2.0
A faithful Rust port of composer/semver: Composer-flavored Version, Constraint, and Stability — normalize, compare, and match version constraints.
53
composer-php-json
experimentalv0.2.0
Byte-exact PHP json_encode output for the two flag combinations Composer relies on (content-hash + JsonFile::encode).
Core Metrics
| composr | composer-semver | composer-php-json | |
|---|---|---|---|
| Health Score | 43 | 56 | 53 |
| Total Downloads | 18 | 1.1K | 577 |
| 30d Downloads | 0 | 918 | 0 |
| Dependents | 0 | 167 | 38 |
| Releases | 1 | 2 | 2 |
| Last Updated | 41d ago | 15d ago | 15d ago |
| Age | 1m | 23d | 20d |
Health Breakdown
composr
Maintenance
10
Quality
13
Community
6
Popularity
2
Documentation
12
composer-semver
Maintenance
13
Quality
14
Community
12
Popularity
4
Documentation
13
composer-php-json
Maintenance
13
Quality
14
Community
10
Popularity
3
Documentation
13
Technical Details
| composr | composer-semver | composer-php-json | |
|---|---|---|---|
| Version | 1.0.0 | 0.2.0 | 0.2.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT | EUPL-1.2 | EUPL-1.2 |
| Dependencies | 25 | 3 | 1 |
| Crate Size | 129KB | 30KB | 7KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | 1.80 | 1.95 | 1.95 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •composer-semver leads with a health score of 56/100, but none of the options score above 80.
- •composer-semver is depended on by 167 crates — strongest ecosystem trust.
- •composer-semver, composer-php-json are pre-1.0 — API may change.