Decision Workspace
async-ctrlc vs ctrlc2 vs asygnal
Side-by-side comparison of Rust crates
51
async-ctrlc
growingv1.2.0
Async wrapper of `ctrlc`
56
ctrlc2
growingv3.7.3
Easy Ctrl-C handler version 2 for Rust projects
42
asygnal
growingv0.0.2
[WIP] Async-first signal handling, such as ctrl-c.
Core Metrics
| async-ctrlc | ctrlc2 | asygnal | |
|---|---|---|---|
| Health Score | 51 | 56 | 42 |
| Total Downloads | 1.0M | 144.9K | 3.5K |
| 30d Downloads | 52.9K | 9.9K | 4 |
| Dependents | 161 | 331 | 0 |
| Releases | 3 | 24 | 2 |
| Last Updated | 2127d ago | 255d ago | 2254d ago |
| Age | 6y 3m | 2y 4m | 6y 2m |
Health Breakdown
async-ctrlc
Maintenance
3
Quality
21
Community
11
Popularity
7
Documentation
9
ctrlc2
Maintenance
10
Quality
15
Community
12
Popularity
6
Documentation
13
asygnal
Maintenance
3
Quality
17
Community
6
Popularity
4
Documentation
12
Technical Details
| async-ctrlc | ctrlc2 | asygnal | |
|---|---|---|---|
| Version | 1.2.0 | 3.7.3 | 0.0.2 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT/Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 10 | 3 |
| Crate Size | 12KB | 22KB | 9KB |
| Features | 2 | 3 | 2 |
| Yanked % | 0.0% | 25.0% | 0.0% |
| Edition | 2018 | 2024 | 2018 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •ctrlc2 leads with a health score of 56/100, but none of the options score above 80.
- •async-ctrlc has the most downloads (1.0M), suggesting wider adoption.
- •ctrlc2 is depended on by 331 crates — strongest ecosystem trust.
- •⚠ async-ctrlc, asygnal have not been updated in over a year.
- •asygnal is pre-1.0 — API may change.