Decision Workspace
emergent-engine vs szal vs qhook
Side-by-side comparison of Rust crates
46
emergent-engine
experimentalv0.10.8
Event-driven workflow engine -- compose CLI tools into pub-sub pipelines with TOML
56
szal
experimentalv1.0.1
Workflow engine — step/flow execution with branching, retry, rollback, and parallel stages
53
qhook
experimentalv0.5.0
Lightweight webhook gateway and workflow engine with queue, retry, and signature verification.
Core Metrics
| emergent-engine | szal | qhook | |
|---|---|---|---|
| Health Score | 46 | 56 | 53 |
| Total Downloads | 49 | 139 | 136 |
| 30d Downloads | 49 | 139 | 136 |
| Dependents | 0 | 3 | 0 |
| Releases | 4 | 5 | 9 |
| Last Updated | 10d ago | today | 15d ago |
| Age | 12d | 4d | 19d |
Health Breakdown
emergent-engine
Maintenance
18
Quality
10
Community
6
Popularity
2
Documentation
10
szal
Maintenance
17
Quality
16
Community
8
Popularity
3
Documentation
12
qhook
Maintenance
18
Quality
11
Community
6
Popularity
3
Documentation
15
Technical Details
| emergent-engine | szal | qhook | |
|---|---|---|---|
| Version | 0.10.8 | 1.0.1 | 0.5.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | AGPL-3.0-only | Apache-2.0 |
| Dependencies | 31 | 19 | 46 |
| Crate Size | 93KB | 90KB | 128KB |
| Features | 0 | 7 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | 1.89 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •szal leads with a health score of 56/100, but none of the options score above 80.
- •emergent-engine, qhook are pre-1.0 — API may change.