Decision Workspace
char-device vs tokio-tungstenite vs mio
Side-by-side comparison of Rust crates
48
char-device
growingv0.16.5
Character Device I/O
75
tokio-tungstenite
growingv0.29.0
Tokio binding for Tungstenite, the Lightweight stream-based WebSocket implementation
74
mio
stablev1.2.0
Lightweight non-blocking I/O.
Core Metrics
| char-device | tokio-tungstenite | mio | |
|---|---|---|---|
| Health Score | 48 | 75 | 74 |
| Total Downloads | 65.7K | 156.3M | 621.8M |
| 30d Downloads | 114 | 12.9M | 45.1M |
| Dependents | 163 | 23.9K | 6.5K |
| Releases | 29 | 39 | 77 |
| Last Updated | 386d ago | 10d ago | today |
| Age | 5y 2m | 9y | 11y 4m |
Health Breakdown
char-device
Maintenance
7
Quality
15
Community
10
Popularity
6
Documentation
10
tokio-tungstenite
Maintenance
20
Quality
16
Community
17
Popularity
8
Documentation
14
mio
Maintenance
20
Quality
15
Community
19
Popularity
8
Documentation
12
Technical Details
| char-device | tokio-tungstenite | mio | |
|---|---|---|---|
| Version | 0.16.5 | 0.29.0 | 1.2.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT | MIT | MIT |
| Dependencies | 8 | 17 | 6 |
| Crate Size | 23KB | 30KB | 106KB |
| Features | 3 | 10 | 4 |
| Yanked % | 0.0% | 0.0% | 10.4% |
| Edition | 2021 | 2018 | 2021 |
| MSRV | — | 1.63 | 1.71 |
| Owners | 1 | 2 | 2 (team) |
Links
Quick Verdict
- •tokio-tungstenite leads with a health score of 75/100, but none of the options score above 80.
- •mio has the most downloads (621.8M), suggesting wider adoption.
- •tokio-tungstenite is depended on by 23.9K crates — strongest ecosystem trust.
- •⚠ char-device has not been updated in over a year.
- •char-device, tokio-tungstenite are pre-1.0 — API may change.