Decision Workspace
arael vs apex-solver vs factrs-proc
Side-by-side comparison of Rust crates
47
arael
experimentalv0.6.2
Nonlinear optimization framework with compile-time symbolic differentiation
57
apex-solver
growingv1.3.0
High-performance nonlinear least squares optimization with Lie group support for SLAM and bundle adjustment
52
factrs-proc
growingv0.3.0
Proc-macros for factrs
Core Metrics
| arael | apex-solver | factrs-proc | |
|---|---|---|---|
| Health Score | 47 | 57 | 52 |
| Total Downloads | 300 | 1.1K | 2.4K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 24 | 0 | 2 |
| Releases | 11 | 8 | 2 |
| Last Updated | 22d ago | 18d ago | 66d ago |
| Age | 2m | 7m | 1y 4m |
Health Breakdown
arael
Maintenance
13
Quality
11
Community
10
Popularity
3
Documentation
10
apex-solver
Maintenance
19
Quality
13
Community
6
Popularity
4
Documentation
15
factrs-proc
Maintenance
13
Quality
16
Community
7
Popularity
4
Documentation
12
Technical Details
| arael | apex-solver | factrs-proc | |
|---|---|---|---|
| Version | 0.6.2 | 1.3.0 | 0.3.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | Apache-2.0 | MIT |
| Dependencies | 18 | 26 | 3 |
| Crate Size | 530KB | 1.9MB | 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 57/100, but none of the options score above 80.
- •factrs-proc has the most downloads (2.4K), suggesting wider adoption.
- •arael, factrs-proc are pre-1.0 — API may change.