Decision Workspace
ctrlc2 vs async-ctrlc vs asygnal
Side-by-side comparison of Rust crates
64
ctrlc2
stablev4.0.0
Easy Ctrl-C handler version 2 for Rust projects
51
async-ctrlc
growingv1.2.0
Async wrapper of `ctrlc`
42
asygnal
growingv0.0.2
[WIP] Async-first signal handling, such as ctrl-c.
Core Metrics
| ctrlc2 | async-ctrlc | asygnal | |
|---|---|---|---|
| Health Score | 64 | 51 | 42 |
| Total Downloads | 168.1K | 1.1M | 3.5K |
| 30d Downloads | 13.0K | 52.8K | 0 |
| Dependents | 350 | 164 | 0 |
| Releases | 25 | 3 | 2 |
| Last Updated | 13d ago | 2186d ago | 2314d ago |
| Age | 2y 6m | 6y 5m | 6y 4m |
Health Breakdown
ctrlc2
Maintenance
18
Quality
15
Community
12
Popularity
6
Documentation
13
async-ctrlc
Maintenance
3
Quality
21
Community
11
Popularity
7
Documentation
9
asygnal
Maintenance
3
Quality
17
Community
6
Popularity
4
Documentation
12
Technical Details
| ctrlc2 | async-ctrlc | asygnal | |
|---|---|---|---|
| Version | 4.0.0 | 1.2.0 | 0.0.2 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT/Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 9 | 4 | 3 |
| Crate Size | 20KB | 12KB | 9KB |
| Features | 2 | 2 | 2 |
| Yanked % | 24.0% | 0.0% | 0.0% |
| Edition | 2024 | 2018 | 2018 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •ctrlc2 leads with a health score of 64/100, but none of the options score above 80.
- •async-ctrlc has the most downloads (1.1M), suggesting wider adoption.
- •ctrlc2 is depended on by 350 crates — strongest ecosystem trust.
- •⚠ async-ctrlc, asygnal have not been updated in over a year.
- •asygnal is pre-1.0 — API may change.