Decision Workspace
arael vs apex-solver vs factrs-proc
Side-by-side comparison of Rust crates
47
arael
experimentalv0.1.1
Nonlinear optimization framework with compile-time symbolic differentiation
58
apex-solver
experimentalv1.2.1
High-performance nonlinear least squares optimization with Lie group support for SLAM and bundle adjustment
56
factrs-proc
growingv0.3.0
Proc-macros for factrs
Core Metrics
| arael | apex-solver | factrs-proc | |
|---|---|---|---|
| Health Score | 47 | 58 | 56 |
| Total Downloads | 28 | 916 | 2.2K |
| 30d Downloads | 28 | 133 | 323 |
| Dependents | 3 | 0 | 2 |
| Releases | 2 | 7 | 2 |
| Last Updated | 5d ago | 20d ago | 7d ago |
| Age | 6d | 5m | 1y 2m |
Health Breakdown
arael
Maintenance
14
Quality
13
Community
8
Popularity
2
Documentation
10
apex-solver
Maintenance
19
Quality
14
Community
6
Popularity
4
Documentation
15
factrs-proc
Maintenance
17
Quality
16
Community
7
Popularity
4
Documentation
12
Technical Details
| arael | apex-solver | factrs-proc | |
|---|---|---|---|
| Version | 0.1.1 | 1.2.1 | 0.3.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | Apache-2.0 | MIT |
| Dependencies | 14 | 24 | 3 |
| Crate Size | 331KB | 1.8MB | 5KB |
| Features | 3 | 2 | 1 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | 1.85 | 1.84 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •apex-solver leads with a health score of 58/100, but none of the options score above 80.
- •factrs-proc has the most downloads (2.2K), suggesting wider adoption.
- •arael, factrs-proc are pre-1.0 — API may change.