Decision Workspace
lio vs smol vs orb
Side-by-side comparison of Rust crates
50
lio
experimentalv0.4.1
A platform-independent async I/O library with native support for io_uring (Linux), IOCP (Windows), and kqueue (macOS)
61
smol
growingv2.0.2
A small and fast async runtime
58
orb
experimentalv0.12.1
An abstraction for writing runtime agnostic async code. Orb provides interfaces to adapt different async runtimes like smol and tokio.
Core Metrics
| lio | smol | orb | |
|---|---|---|---|
| Health Score | 50 | 61 | 58 |
| Total Downloads | 904 | 15.3M | 1.5K |
| 30d Downloads | 34 | 775.9K | 507 |
| Dependents | 0 | 6.0K | 46 |
| Releases | 7 | 42 | 18 |
| Last Updated | 14d ago | 566d ago | 5d ago |
| Age | 7m | 6y 1m | 5m |
Health Breakdown
lio
Maintenance
18
Quality
9
Community
6
Popularity
4
Documentation
13
smol
Maintenance
7
Quality
15
Community
20
Popularity
8
Documentation
11
orb
Maintenance
19
Quality
11
Community
11
Popularity
4
Documentation
13
Technical Details
| lio | smol | orb | |
|---|---|---|---|
| Version | 0.4.1 | 2.0.2 | 0.12.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | Apache-2.0 OR MIT | MIT |
| Dependencies | 11 | 35 | 6 |
| Crate Size | 136KB | 276KB | 33KB |
| Features | 4 | 0 | 2 |
| Yanked % | 14.3% | 0.0% | 11.1% |
| Edition | 2024 | 2018 | 2024 |
| MSRV | — | 1.63 | — |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •smol leads with a health score of 61/100, but none of the options score above 80.
- •smol is depended on by 6.0K crates — strongest ecosystem trust.
- •⚠ smol has not been updated in over a year.
- •lio, orb are pre-1.0 — API may change.