Decision Workspace
kalk_cli vs kalker vs fend-core
Side-by-side comparison of Rust crates
39
kalk_cli
growingv0.5.4
A calculator that supports user-defined functions, variables and units, and can handle fairly ambiguous syntax.
49
kalker
growingv2.2.2
A calculator that supports user-defined functions, variables and units, and can handle fairly ambiguous syntax.
62
fend-core
stablev1.5.8
Arbitrary-precision unit-aware calculator
Core Metrics
| kalk_cli | kalker | fend-core | |
|---|---|---|---|
| Health Score | 39 | 49 | 62 |
| Total Downloads | 38.9K | 17.0K | 119.9K |
| 30d Downloads | 37 | 57 | 2.3K |
| Dependents | 0 | 0 | 97 |
| Releases | 31 | 11 | 68 |
| Last Updated | 1761d ago | 203d ago | 63d ago |
| Age | 5y 9m | 4y 9m | 5y 6m |
Health Breakdown
kalk_cli
Maintenance
6
Quality
13
Community
6
Popularity
5
Documentation
9
kalker
Maintenance
11
Quality
18
Community
6
Popularity
5
Documentation
9
fend-core
Maintenance
15
Quality
20
Community
11
Popularity
6
Documentation
10
Technical Details
| kalk_cli | kalker | fend-core | |
|---|---|---|---|
| Version | 0.5.4 | 2.2.2 | 1.5.8 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT | MIT |
| Dependencies | 8 | 9 | 0 |
| Crate Size | 16KB | 24KB | 119KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2018 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fend-core leads with a health score of 62/100, but none of the options score above 80.
- •⚠ kalk_cli has not been updated in over a year.
- •kalk_cli is pre-1.0 — API may change.