Decision Workspace
occt-wasm vs cadrum vs monstertruck
Side-by-side comparison of Rust crates
50
occt-wasm
experimentalv3.0.1
OpenCascade CAD kernel via WebAssembly — no C++ toolchain required
48
cadrum
experimentalv0.8.1
Rust CAD library powered by statically linked, headless OpenCASCADE (OCCT 8.0.0)
46
monstertruck
experimentalv0.3.0
A Rust CAD kernel – B-rep modeling, NURBS, meshing, and GPU rendering.
Core Metrics
| occt-wasm | cadrum | monstertruck | |
|---|---|---|---|
| Health Score | 50 | 48 | 46 |
| Total Downloads | 52 | 540 | 77 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 1 | 2 |
| Releases | 3 | 24 | 4 |
| Last Updated | 9d ago | 7d ago | 11d ago |
| Age | 9d | 1m | 2m |
Health Breakdown
occt-wasm
Maintenance
13
Quality
14
Community
6
Popularity
2
Documentation
15
cadrum
Maintenance
14
Quality
14
Community
7
Popularity
3
Documentation
10
monstertruck
Maintenance
12
Quality
15
Community
7
Popularity
2
Documentation
10
Technical Details
| occt-wasm | cadrum | monstertruck | |
|---|---|---|---|
| Version | 3.0.1 | 0.8.1 | 0.3.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT | Apache-2.0 |
| Dependencies | 4 | 11 | 19 |
| Crate Size | 4.9MB | 160KB | 30KB |
| Features | 2 | 5 | 15 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.95 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •occt-wasm leads with a health score of 50/100, but none of the options score above 80.
- •cadrum has the most downloads (540), suggesting wider adoption.
- •cadrum, monstertruck are pre-1.0 — API may change.