Decision Workspace
apex-io vs apex-solver vs factrs-proc
Side-by-side comparison of Rust crates
51
apex-io
experimentalv0.1.0
File I/O for pose graphs (G2O, TORO, BAL formats) with SE2/SE3 support
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
| apex-io | apex-solver | factrs-proc | |
|---|---|---|---|
| Health Score | 51 | 58 | 56 |
| Total Downloads | 126 | 916 | 2.2K |
| 30d Downloads | 88 | 133 | 323 |
| Dependents | 3 | 0 | 2 |
| Releases | 1 | 7 | 2 |
| Last Updated | 34d ago | 20d ago | 7d ago |
| Age | 1m | 5m | 1y 2m |
Health Breakdown
apex-io
Maintenance
11
Quality
14
Community
8
Popularity
3
Documentation
15
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
| apex-io | apex-solver | factrs-proc | |
|---|---|---|---|
| Version | 0.1.0 | 1.2.1 | 0.3.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 | Apache-2.0 | MIT |
| Dependencies | 11 | 24 | 3 |
| Crate Size | 79KB | 1.8MB | 5KB |
| Features | 2 | 2 | 1 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | 1.85 | 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.
- •apex-io, factrs-proc are pre-1.0 — API may change.