Decision Workspace
proj-sys vs proj vs proj4rs
Side-by-side comparison of Rust crates
54
proj-sys
growingv0.27.0
Rust bindings for PROJ v9.6.x
64
proj
growingv0.31.0
High-level Rust bindings for the latest stable version of PROJ
63
proj4rs
growingv0.1.10
Rust adaptation of Proj4
Core Metrics
| proj-sys | proj | proj4rs | |
|---|---|---|---|
| Health Score | 54 | 64 | 63 |
| Total Downloads | 621.7K | 596.7K | 456.8K |
| 30d Downloads | 30.1K | 21.5K | 83.4K |
| Dependents | 83 | 276 | 110 |
| Releases | 44 | 59 | 11 |
| Last Updated | 269d ago | 269d ago | 80d ago |
| Age | 8y 2m | 10y 11m | 2y 11m |
Health Breakdown
proj-sys
Maintenance
9
Quality
13
Community
13
Popularity
7
Documentation
12
proj
Maintenance
9
Quality
15
Community
18
Popularity
7
Documentation
15
proj4rs
Maintenance
15
Quality
17
Community
11
Popularity
7
Documentation
13
Technical Details
| proj-sys | proj | proj4rs | |
|---|---|---|---|
| Version | 0.27.0 | 0.31.0 | 0.1.10 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 7 | 9 | 14 |
| Crate Size | 6.4MB | 43KB | 83KB |
| Features | 6 | 4 | 12 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | 1.85 | 1.85 | — |
| Owners | 2 (team) | 3 (team) | 1 |
Links
Quick Verdict
- •proj leads with a health score of 64/100, but none of the options score above 80.
- •proj-sys has the most downloads (621.7K), suggesting wider adoption.
- •proj is depended on by 276 crates — strongest ecosystem trust.