Decision Workspace
moontool vs solunatus vs eluna
Side-by-side comparison of Rust crates
48
moontool
growingv1.3.0
John Walker's moontool.c astronomical calculation routines, extracted and ported to Rust.
54
solunatus
experimentalv0.3.3
High-precision astronomical calculation library and CLI for sun/moon positions, rise/set times, and lunar phases
38
eluna
growingv0.1.2
Not-so-precise moon calendar for 1900-2100
Core Metrics
| moontool | solunatus | eluna | |
|---|---|---|---|
| Health Score | 48 | 54 | 38 |
| Total Downloads | 12.2K | 778 | 4.1K |
| 30d Downloads | 51 | 85 | 5 |
| Dependents | 0 | 0 | 0 |
| Releases | 11 | 8 | 3 |
| Last Updated | 318d ago | 38d ago | 1570d ago |
| Age | 1y 10m | 5m | 4y 3m |
Health Breakdown
moontool
Maintenance
8
Quality
20
Community
5
Popularity
5
Documentation
10
solunatus
Maintenance
17
Quality
15
Community
6
Popularity
3
Documentation
13
eluna
Maintenance
4
Quality
15
Community
5
Popularity
4
Documentation
10
Technical Details
| moontool | solunatus | eluna | |
|---|---|---|---|
| Version | 1.3.0 | 0.3.3 | 0.1.2 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | 0BSD | MIT | LGPL-3.0 |
| Dependencies | 2 | 12 | 1 |
| Crate Size | 44KB | 454KB | 5KB |
| Features | 1 | 10 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •solunatus leads with a health score of 54/100, but none of the options score above 80.
- •moontool has the most downloads (12.2K), suggesting wider adoption.
- •⚠ eluna has not been updated in over a year.
- •solunatus, eluna are pre-1.0 — API may change.