Decision Workspace
unsynn vs maybe-async vs async-generic
Side-by-side comparison of Rust crates
63
unsynn
growingv0.3.0
(Proc-macro) parsing made easy
59
maybe-async
growingv0.2.11
A procedure macro to unify SYNC and ASYNC implementation
56
async-generic
growingv1.1.2
Write code that can be both async and synchronous without duplicating it.
Core Metrics
| unsynn | maybe-async | async-generic | |
|---|---|---|---|
| Health Score | 63 | 59 | 56 |
| Total Downloads | 494.6K | 36.5M | 9.5M |
| 30d Downloads | 121.3K | 3.8M | 159.8K |
| Dependents | 354 | 1.2K | 228 |
| Releases | 34 | 16 | 7 |
| Last Updated | 189d ago | 11d ago | 604d ago |
| Age | 2y | 6y 4m | 2y 8m |
Health Breakdown
unsynn
Maintenance
11
Quality
17
Community
13
Popularity
7
Documentation
15
maybe-async
Maintenance
15
Quality
12
Community
11
Popularity
8
Documentation
13
async-generic
Maintenance
5
Quality
19
Community
9
Popularity
8
Documentation
15
Technical Details
| unsynn | maybe-async | async-generic | |
|---|---|---|---|
| Version | 0.3.0 | 0.2.11 | 1.1.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 4 | 7 | 5 |
| Crate Size | 115KB | 23KB | 7KB |
| Features | 10 | 2 | 0 |
| Yanked % | 0.0% | 18.8% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.80.1 | — | 1.70.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •unsynn leads with a health score of 63/100, but none of the options score above 80.
- •maybe-async has the most downloads (36.5M), suggesting wider adoption.
- •maybe-async is depended on by 1.2K crates — strongest ecosystem trust.
- •⚠ async-generic has not been updated in over a year.
- •unsynn, maybe-async are pre-1.0 — API may change.