Decision Workspace
rio vs axboe-liburing vs smol
Side-by-side comparison of Rust crates
53
rio
growingv0.9.4
GPL-3.0 nice bindings for io_uring. MIT/Apache-2.0 license is available for spacejam's github sponsors.
63
axboe-liburing
stablev2.14.0
Low-level io_uring interface, transliterated from Jens Axboe's liburing.
61
smol
growingv2.0.2
A small and fast async runtime
Core Metrics
| rio | axboe-liburing | smol | |
|---|---|---|---|
| Health Score | 53 | 63 | 61 |
| Total Downloads | 3.9M | 2.9K | 15.3M |
| 30d Downloads | 8.4K | 73 | 775.9K |
| Dependents | 64 | 5 | 6.0K |
| Releases | 25 | 6 | 42 |
| Last Updated | 2044d ago | 47d ago | 566d ago |
| Age | 7y 10m | 1y | 6y 1m |
Health Breakdown
rio
Maintenance
6
Quality
16
Community
11
Popularity
8
Documentation
12
axboe-liburing
Maintenance
18
Quality
20
Community
8
Popularity
4
Documentation
13
smol
Maintenance
7
Quality
15
Community
20
Popularity
8
Documentation
11
Technical Details
| rio | axboe-liburing | smol | |
|---|---|---|---|
| Version | 0.9.4 | 2.14.0 | 2.0.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | GPL-3.0 | MIT OR LGPL-2.1-only | Apache-2.0 OR MIT |
| Dependencies | 2 | 5 | 35 |
| Crate Size | 28KB | 74KB | 276KB |
| Features | 1 | 2 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2024 | 2018 |
| MSRV | — | — | 1.63 |
| Owners | 1 | 1 | 2 (team) |
Links
Quick Verdict
- •axboe-liburing leads with a health score of 63/100, but none of the options score above 80.
- •smol has the most downloads (15.3M), suggesting wider adoption.
- •smol is depended on by 6.0K crates — strongest ecosystem trust.
- •⚠ rio, smol have not been updated in over a year.
- •rio is pre-1.0 — API may change.