Decision Workspace
engine vs mill-io vs tokio
Side-by-side comparison of Rust crates
40
engine
growingv0.0.0
Event loop.
63
mill-io
growingv3.0.0
A lightweight event loop library for Rust providing efficient non-blocking I/O management
74
tokio
stablev1.50.0
An event-driven, non-blocking I/O platform for writing asynchronous I/O backed applications.
Core Metrics
| engine | mill-io | tokio | |
|---|---|---|---|
| Health Score | 40 | 63 | 74 |
| Total Downloads | 6.8K | 820 | 584.2M |
| 30d Downloads | 137 | 25 | 43.0M |
| Dependents | 6 | 2 | 599.9K |
| Releases | 1 | 6 | 181 |
| Last Updated | 2706d ago | 9d ago | 24d ago |
| Age | 7y 5m | 6m | 9y 9m |
Health Breakdown
engine
Maintenance
1
Quality
15
Community
8
Popularity
5
Documentation
11
mill-io
Maintenance
19
Quality
19
Community
7
Popularity
3
Documentation
15
tokio
Maintenance
17
Quality
17
Community
20
Popularity
8
Documentation
12
Technical Details
| engine | mill-io | tokio | |
|---|---|---|---|
| Version | 0.0.0 | 3.0.0 | 1.50.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | Apache-2.0 | MIT |
| Dependencies | 1 | 7 | 34 |
| Crate Size | 11KB | 30KB | 878KB |
| Features | 0 | 3 | 16 |
| Yanked % | 0.0% | 0.0% | 2.8% |
| Edition | — | 2021 | 2021 |
| MSRV | — | 1.70 | 1.71 |
| Owners | 1 | 1 | 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.
- •⚠ engine has not been updated in over a year.
- •engine is pre-1.0 — API may change.