Decision Workspace
mqb vs ubq vs async-local-channel
Side-by-side comparison of Rust crates
42
mqb
growingv0.4.0
Lock free in memory message queue broker
55
ubq
experimentalv4.0.0
Lock-free unbounded MPMC queue backed by a linked ring of fixed-size blocks.
50
async-local-channel
experimentalv0.8.0
Lightweight channels for single-threaded async runtimes.
Core Metrics
| mqb | ubq | async-local-channel | |
|---|---|---|---|
| Health Score | 42 | 55 | 50 |
| Total Downloads | 2.4K | 114 | 156 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 0 | 6 |
| Releases | 5 | 7 | 8 |
| Last Updated | 240d ago | 19d ago | 29d ago |
| Age | 1y 2m | 3m | 1m |
Health Breakdown
mqb
Maintenance
9
Quality
8
Community
6
Popularity
4
Documentation
15
ubq
Maintenance
18
Quality
19
Community
6
Popularity
2
Documentation
10
async-local-channel
Maintenance
15
Quality
14
Community
8
Popularity
3
Documentation
10
Technical Details
| mqb | ubq | async-local-channel | |
|---|---|---|---|
| Version | 0.4.0 | 4.0.0 | 0.8.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT |
| Dependencies | 15 | 12 | 1 |
| Crate Size | 18KB | 87KB | 6KB |
| Features | 0 | 10 | 0 |
| Yanked % | 20.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | 1.85.0 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •ubq leads with a health score of 55/100, but none of the options score above 80.
- •mqb has the most downloads (2.4K), suggesting wider adoption.
- •mqb, async-local-channel are pre-1.0 — API may change.