Decision Workspace
async-rt vs tokio vs tower
Side-by-side comparison of Rust crates
53
async-rt
growingv0.1.9
A small library designed to utilize async executors through an common API while extending features.
74
tokio
stablev1.50.0
An event-driven, non-blocking I/O platform for writing asynchronous I/O backed applications.
65
tower
growingv0.5.3
Tower is a library of modular and reusable components for building robust clients and servers.
Core Metrics
| async-rt | tokio | tower | |
|---|---|---|---|
| Health Score | 53 | 74 | 65 |
| Total Downloads | 11.8K | 584.2M | 372.5M |
| 30d Downloads | 275 | 41.5M | 32.4M |
| Dependents | 8 | 599.9K | 42.8K |
| Releases | 10 | 181 | 26 |
| Last Updated | 17d ago | 24d ago | 74d ago |
| Age | 1y 2m | 9y 9m | 9y 3m |
Health Breakdown
async-rt
Maintenance
18
Quality
10
Community
8
Popularity
5
Documentation
12
tokio
Maintenance
17
Quality
17
Community
20
Popularity
8
Documentation
12
tower
Maintenance
12
Quality
14
Community
20
Popularity
8
Documentation
11
Technical Details
| async-rt | tokio | tower | |
|---|---|---|---|
| Version | 0.1.9 | 1.50.0 | 0.5.3 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 OR MIT | MIT | MIT |
| Dependencies | 8 | 34 | 24 |
| Crate Size | 17KB | 878KB | 110KB |
| Features | 2 | 16 | 19 |
| Yanked % | 20.0% | 2.8% | 3.9% |
| Edition | 2021 | 2021 | 2018 |
| MSRV | 1.83 | 1.71 | 1.64.0 |
| Owners | 1 | 3 (team) | 3 (team) |
Links
Quick Verdict
- •tokio leads with a health score of 74/100, but none of the options score above 80.
- •tokio is depended on by 599.9K crates — strongest ecosystem trust.
- •async-rt, tower are pre-1.0 — API may change.