Decision Workspace
flo_stream vs smol-axum vs promisery
Side-by-side comparison of Rust crates
52
flo_stream
growingv0.7.1
Pubsub and related streams for Rust futures
57
smol-axum
growingv0.2.1
Integrations between `smol` and `axum`
57
promisery
growingv2.0.1
A JavaScript-inspired, ergonomic, and composable Promise type for Rust, supporting background work, chaining, and error handling with Result.
Core Metrics
| flo_stream | smol-axum | promisery | |
|---|---|---|---|
| Health Score | 52 | 57 | 57 |
| Total Downloads | 112.2K | 2.8K | 2.1K |
| 30d Downloads | 11.4K | 66 | 24 |
| Dependents | 17 | 0 | 1 |
| Releases | 10 | 3 | 5 |
| Last Updated | 96d ago | 29d ago | 266d ago |
| Age | 7y 7m | 2y 2m | 8m |
Health Breakdown
flo_stream
Maintenance
11
Quality
14
Community
9
Popularity
6
Documentation
12
smol-axum
Maintenance
15
Quality
15
Community
11
Popularity
4
Documentation
12
promisery
Maintenance
15
Quality
18
Community
7
Popularity
4
Documentation
13
Technical Details
| flo_stream | smol-axum | promisery | |
|---|---|---|---|
| Version | 0.7.1 | 0.2.1 | 2.0.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 5 | 15 | 2 |
| Crate Size | 28KB | 16KB | 9KB |
| Features | 0 | 3 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.75 | — |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •smol-axum leads with a health score of 57/100, but none of the options score above 80.
- •flo_stream has the most downloads (112.2K), suggesting wider adoption.
- •flo_stream, smol-axum are pre-1.0 — API may change.