Decision Workspace
calloop vs calloop-subproc vs libuv-sys2
Side-by-side comparison of Rust crates
69
calloop
growingv0.14.4
A callback-based event loop
37
calloop-subproc
growingv1.0.0
Subprocess support for the Calloop event loop
60
libuv-sys2
stablev1.52.1
Thin FFI bindings for libuv
Core Metrics
| calloop | calloop-subproc | libuv-sys2 | |
|---|---|---|---|
| Health Score | 69 | 37 | 60 |
| Total Downloads | 34.5M | 1.7K | 64.2K |
| 30d Downloads | 3.0M | 3 | 503 |
| Dependents | 406 | 0 | 30 |
| Releases | 48 | 1 | 38 |
| Last Updated | 42d ago | 1415d ago | 20d ago |
| Age | 7y 7m | 3y 10m | 6y 2m |
Health Breakdown
calloop
Maintenance
17
Quality
15
Community
15
Popularity
8
Documentation
14
calloop-subproc
Maintenance
1
Quality
19
Community
3
Popularity
4
Documentation
10
libuv-sys2
Maintenance
18
Quality
19
Community
10
Popularity
6
Documentation
7
Technical Details
| calloop | calloop-subproc | libuv-sys2 | |
|---|---|---|---|
| Version | 0.14.4 | 1.0.0 | 1.52.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT | non-standard |
| Dependencies | 13 | 7 | 3 |
| Crate Size | 78KB | 20KB | 1.4MB |
| Features | 5 | 0 | 1 |
| Yanked % | 4.2% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2018 |
| MSRV | 1.71.1 | — | — |
| Owners | 2 (team) | 1 | 1 |
Links
Quick Verdict
- •calloop leads with a health score of 69/100, but none of the options score above 80.
- •calloop is depended on by 406 crates — strongest ecosystem trust.
- •⚠ calloop-subproc has not been updated in over a year.
- •calloop is pre-1.0 — API may change.