Decision Workspace
herkos-runtime vs capsule-core vs wasmer
Side-by-side comparison of Rust crates
47
herkos-runtime
experimentalv0.2.0
Runtime library for herkos transpiled output — IsolatedMemory, WasmTrap, capability traits
44
capsule-core
experimentalv0.6.3
Core library for Capsule - WASM runtime for AI agent isolation
76
wasmer
stablev7.1.0
High-performance WebAssembly runtime
Core Metrics
| herkos-runtime | capsule-core | wasmer | |
|---|---|---|---|
| Health Score | 47 | 44 | 76 |
| Total Downloads | 41 | 270 | 6.9M |
| 30d Downloads | 21 | 95 | 241.4K |
| Dependents | 0 | 10 | 4.4K |
| Releases | 3 | 10 | 100 |
| Last Updated | 11d ago | 25d ago | today |
| Age | 29d | 2m | 7y 5m |
Health Breakdown
herkos-runtime
Maintenance
13
Quality
16
Community
6
Popularity
2
Documentation
10
capsule-core
Maintenance
12
Quality
11
Community
8
Popularity
3
Documentation
10
wasmer
Maintenance
19
Quality
18
Community
19
Popularity
8
Documentation
12
Technical Details
| herkos-runtime | capsule-core | wasmer | |
|---|---|---|---|
| Version | 0.2.0 | 0.6.3 | 7.1.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 | Apache-2.0 | MIT |
| Dependencies | 1 | 24 | 55 |
| Crate Size | 27KB | 87KB | 281KB |
| Features | 2 | 0 | 32 |
| Yanked % | 0.0% | 0.0% | 2.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | — | 1.91 |
| Owners | 1 | 1 | 2 (team) |
Links
Quick Verdict
- •wasmer leads with a health score of 76/100, but none of the options score above 80.
- •wasmer is depended on by 4.4K crates — strongest ecosystem trust.
- •herkos-runtime, capsule-core are pre-1.0 — API may change.