Decision Workspace
epsg vs proj-core vs osmic-core
Side-by-side comparison of Rust crates
40
epsg
growingv11.1.2
EPSG Coordinate Reference System tools & data
57
proj-core
experimentalv0.5.0
Pure-Rust coordinate transformation library with no C dependencies
52
osmic-core
experimentalv0.1.1
Shared types, errors, and coordinate primitives for osmic
Core Metrics
| epsg | proj-core | osmic-core | |
|---|---|---|---|
| Health Score | 40 | 57 | 52 |
| Total Downloads | 11.9K | 980 | 214 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 1 | 7 | 30 |
| Releases | 8 | 7 | 2 |
| Last Updated | 893d ago | 26d ago | 17d ago |
| Age | 5y 10m | 2m | 1m |
Health Breakdown
epsg
Maintenance
4
Quality
17
Community
4
Popularity
5
Documentation
10
proj-core
Maintenance
12
Quality
13
Community
13
Popularity
4
Documentation
15
osmic-core
Maintenance
13
Quality
14
Community
10
Popularity
3
Documentation
12
Technical Details
| epsg | proj-core | osmic-core | |
|---|---|---|---|
| Version | 11.1.2 | 0.5.0 | 0.1.1 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 9 | 10 | 3 |
| Crate Size | 261KB | 411KB | 14KB |
| Features | 0 | 4 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.85 | 1.94 |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •proj-core leads with a health score of 57/100, but none of the options score above 80.
- •epsg has the most downloads (11.9K), suggesting wider adoption.
- •⚠ epsg has not been updated in over a year.
- •proj-core, osmic-core are pre-1.0 — API may change.