Decision Workspace
rxcalc vs exmex vs somni-parser
Side-by-side comparison of Rust crates
37
rxcalc
growingv1.0.5
An expression calculator, originally written in Scratch.
60
exmex
growingv0.21.0
fast, simple, and extendable mathematical expression evaluator able to compute partial derivatives
60
somni-parser
experimentalv0.3.0
Grammar parser of the Somni language and VM
Core Metrics
| rxcalc | exmex | somni-parser | |
|---|---|---|---|
| Health Score | 37 | 60 | 60 |
| Total Downloads | 7.3K | 85.4K | 309.6K |
| 30d Downloads | 0 | 1.5K | 22.1K |
| Dependents | 0 | 86 | 8 |
| Releases | 6 | 44 | 5 |
| Last Updated | 795d ago | 51d ago | 3d ago |
| Age | 2y 5m | 5y | 11m |
Health Breakdown
rxcalc
Maintenance
4
Quality
15
Community
3
Popularity
5
Documentation
10
exmex
Maintenance
16
Quality
12
Community
11
Popularity
6
Documentation
15
somni-parser
Maintenance
18
Quality
15
Community
8
Popularity
7
Documentation
12
Technical Details
| rxcalc | exmex | somni-parser | |
|---|---|---|---|
| Version | 1.0.5 | 0.21.0 | 0.3.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 9 | 0 |
| Crate Size | 6KB | 73KB | 17KB |
| Features | 0 | 2 | 0 |
| Yanked % | 83.3% | 9.1% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | 1.80.1 | 1.85.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •exmex leads with a health score of 60/100, but none of the options score above 80.
- •somni-parser has the most downloads (309.6K), suggesting wider adoption.
- •⚠ rxcalc has not been updated in over a year.
- •exmex, somni-parser are pre-1.0 — API may change.