Decision Workspace
mem-isolate vs kavach vs wasm-sandbox
Side-by-side comparison of Rust crates
45
mem-isolate
growingv0.1.6
Contain memory leaks and fragmentation
55
kavach
experimentalv1.0.1
Sandbox execution framework — backend abstraction, strength scoring, policy engine, credential proxy, and audit hooks
48
wasm-sandbox
experimentalv0.4.1
A secure WebAssembly sandbox with dead-simple ease of use, progressive complexity APIs, and comprehensive safety controls
Core Metrics
| mem-isolate | kavach | wasm-sandbox | |
|---|---|---|---|
| Health Score | 45 | 55 | 48 |
| Total Downloads | 4.4K | 246 | 1.3K |
| 30d Downloads | 10 | 254 | 39 |
| Dependents | 0 | 8 | 9 |
| Releases | 7 | 5 | 3 |
| Last Updated | 338d ago | 1d ago | 254d ago |
| Age | 1y | 6d | 8m |
Health Breakdown
mem-isolate
Maintenance
10
Quality
15
Community
6
Popularity
4
Documentation
10
kavach
Maintenance
16
Quality
15
Community
9
Popularity
3
Documentation
12
wasm-sandbox
Maintenance
10
Quality
12
Community
9
Popularity
4
Documentation
13
Technical Details
| mem-isolate | kavach | wasm-sandbox | |
|---|---|---|---|
| Version | 0.1.6 | 1.0.1 | 0.4.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | AGPL-3.0-only | MIT |
| Dependencies | 12 | 27 | 37 |
| Crate Size | 40KB | 152KB | 362KB |
| Features | 3 | 12 | 7 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | 1.89 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •kavach leads with a health score of 55/100, but none of the options score above 80.
- •mem-isolate has the most downloads (4.4K), suggesting wider adoption.
- •mem-isolate, wasm-sandbox are pre-1.0 — API may change.