Decision Workspace
world_magnetic_model vs geomag-wmm vs either
Side-by-side comparison of Rust crates
49
world_magnetic_model
growingv0.4.0
Rust implementation of the NOAA World Magnetic Model (WMM).
36
geomag-wmm
growingv0.1.0
Calculate the Earth magnetic fields and their variation using WMM.
81
either
stablev1.16.0
The enum `Either` with variants `Left` and `Right` is a general purpose sum type with two cases.
Core Metrics
| world_magnetic_model | geomag-wmm | either | |
|---|---|---|---|
| Health Score | 49 | 36 | 81 |
| Total Downloads | 37.9K | 1.2K | 731.9M |
| 30d Downloads | 6.5K | 0 | 56.6M |
| Dependents | 28 | 0 | 23.9K |
| Releases | 5 | 1 | 33 |
| Last Updated | 344d ago | 604d ago | 5d ago |
| Age | 1y 4m | 1y 7m | 10y 8m |
Health Breakdown
world_magnetic_model
Maintenance
8
Quality
13
Community
10
Popularity
5
Documentation
13
geomag-wmm
Maintenance
1
Quality
16
Community
5
Popularity
4
Documentation
10
either
Maintenance
18
Quality
22
Community
18
Popularity
8
Documentation
15
Technical Details
| world_magnetic_model | geomag-wmm | either | |
|---|---|---|---|
| Version | 0.4.0 | 0.1.0 | 1.16.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 10 | 0 | 2 |
| Crate Size | 24KB | 8KB | 21KB |
| Features | 0 | 0 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | 1.63.0 |
| Owners | 1 | 1 | 3 |
Links
Quick Verdict
- •either has the highest health score (81/100) — a strong overall choice.
- •either is depended on by 23.9K crates — strongest ecosystem trust.
- •⚠ geomag-wmm has not been updated in over a year.
- •world_magnetic_model, geomag-wmm are pre-1.0 — API may change.