Decision Workspace
kqueue vs kqueue-sys vs kqueue2
Side-by-side comparison of Rust crates
64
kqueue
stablev1.2.0
kqueue interface for BSDs
62
kqueue-sys
stablev1.1.2
Low-level kqueue interface for BSDs
41
kqueue2
growingv0.2.2
kqueue interface for BSDs and MacOS
Core Metrics
| kqueue | kqueue-sys | kqueue2 | |
|---|---|---|---|
| Health Score | 64 | 62 | 41 |
| Total Downloads | 58.2M | 58.8M | 2.9K |
| 30d Downloads | 3.1M | 3.1M | 0 |
| Dependents | 99 | 30 | 13 |
| Releases | 20 | 13 | 1 |
| Last Updated | 44d ago | 60d ago | 2671d ago |
| Age | 9y 6m | 9y 8m | 7y 3m |
Health Breakdown
kqueue
Maintenance
13
Quality
19
Community
11
Popularity
8
Documentation
13
kqueue-sys
Maintenance
12
Quality
20
Community
10
Popularity
8
Documentation
12
kqueue2
Maintenance
1
Quality
15
Community
9
Popularity
4
Documentation
12
Technical Details
| kqueue | kqueue-sys | kqueue2 | |
|---|---|---|---|
| Version | 1.2.0 | 1.1.2 | 0.2.2 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 5 | 2 | 2 |
| Crate Size | 28KB | 9KB | 7KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2018 |
| MSRV | — | 1.65 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •kqueue leads with a health score of 64/100, but none of the options score above 80.
- •kqueue-sys has the most downloads (58.8M), suggesting wider adoption.
- •⚠ kqueue2 has not been updated in over a year.
- •kqueue2 is pre-1.0 — API may change.