Decision Workspace
onager vs physics_sandbox vs impetus
Side-by-side comparison of Rust crates
45
onager
growingv0.0.2
Featherstone rigid-body physics library built in Rust
56
physics_sandbox
experimentalv0.1.4
Small rigid-body physics sandbox with pluggable integrators, environments, collisions and an event bus. Optional retro ASCII terminal visualization.
55
impetus
experimentalv1.3.0
Physics engine — 2D/3D rigid body simulation, collision detection, constraints, and spatial queries for AGNOS
Core Metrics
| onager | physics_sandbox | impetus | |
|---|---|---|---|
| Health Score | 45 | 56 | 55 |
| Total Downloads | 2.7K | 65 | 522 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 8 |
| Releases | 2 | 5 | 5 |
| Last Updated | 878d ago | 24d ago | 57d ago |
| Age | 2y 4m | 25d | 2m |
Health Breakdown
onager
Maintenance
4
Quality
16
Community
11
Popularity
4
Documentation
10
physics_sandbox
Maintenance
17
Quality
16
Community
6
Popularity
2
Documentation
15
impetus
Maintenance
13
Quality
18
Community
9
Popularity
3
Documentation
12
Technical Details
| onager | physics_sandbox | impetus | |
|---|---|---|---|
| Version | 0.0.2 | 0.1.4 | 1.3.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | GPL-3.0-only |
| Dependencies | 0 | 1 | 7 |
| Crate Size | 10KB | 81KB | 142KB |
| Features | 0 | 2 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.85 | 1.89 |
| Owners | 3 (team) | 1 | 1 |
Links
Quick Verdict
- •physics_sandbox leads with a health score of 56/100, but none of the options score above 80.
- •onager has the most downloads (2.7K), suggesting wider adoption.
- •⚠ onager has not been updated in over a year.
- •onager, physics_sandbox are pre-1.0 — API may change.