Decision Workspace
unc-vm-vm vs wasmer-compiler-cranelift vs wasmtime-environ
Side-by-side comparison of Rust crates
46
unc-vm-vm
growingv0.12.2
Runtime library support for Wasmer
80
wasmer-compiler-cranelift
stablev7.1.0
Cranelift compiler for Wasmer WebAssembly runtime
79
wasmtime-environ
stablev43.0.0
Standalone environment support for WebAssembly code in Cranelift
Core Metrics
| unc-vm-vm | wasmer-compiler-cranelift | wasmtime-environ | |
|---|---|---|---|
| Health Score | 46 | 80 | 79 |
| Total Downloads | 25.4K | 6.2M | 20.5M |
| 30d Downloads | 389 | 221.4K | 1.6M |
| Dependents | 53 | 843 | 1.5K |
| Releases | 14 | 98 | 179 |
| Last Updated | 666d ago | today | 7d ago |
| Age | 2y | 5y 7m | 7y 7m |
Health Breakdown
unc-vm-vm
Maintenance
8
Quality
14
Community
9
Popularity
5
Documentation
10
wasmer-compiler-cranelift
Maintenance
19
Quality
20
Community
18
Popularity
8
Documentation
15
wasmtime-environ
Maintenance
19
Quality
19
Community
18
Popularity
8
Documentation
15
Technical Details
| unc-vm-vm | wasmer-compiler-cranelift | wasmtime-environ | |
|---|---|---|---|
| Version | 0.12.2 | 7.1.0 | 43.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | GPL-2.0-or-later | MIT | Apache-2.0 WITH LLVM-exception |
| Dependencies | 15 | 16 | 29 |
| Crate Size | 67KB | 93KB | 278KB |
| Features | 1 | 6 | 13 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.91 | 1.91.0 |
| Owners | 1 | 2 (team) | 2 (team) |
Links
Quick Verdict
- •wasmer-compiler-cranelift has the highest health score (80/100) — a strong overall choice.
- •wasmtime-environ has the most downloads (20.5M), suggesting wider adoption.
- •wasmtime-environ is depended on by 1.5K crates — strongest ecosystem trust.
- •⚠ unc-vm-vm has not been updated in over a year.
- •unc-vm-vm is pre-1.0 — API may change.