Decision Workspace
fibre vs concurrent-queue vs ubq
Side-by-side comparison of Rust crates
57
fibre
experimentalv0.5.3
High-performance, safe, memory-efficient sync/async channels built for real-time, low-overhead communication in concurrent Rust applications.
60
concurrent-queue
growingv2.5.0
Concurrent multi-producer multi-consumer queue
55
ubq
experimentalv4.0.0
Lock-free unbounded MPMC queue backed by a linked ring of fixed-size blocks.
Core Metrics
| fibre | concurrent-queue | ubq | |
|---|---|---|---|
| Health Score | 57 | 60 | 55 |
| Total Downloads | 23.5K | 242.9M | 114 |
| 30d Downloads | 4.5K | 19.0M | 0 |
| Dependents | 43 | 1.0K | 0 |
| Releases | 16 | 16 | 7 |
| Last Updated | 5d ago | 759d ago | 19d ago |
| Age | 11m | 6y | 3m |
Health Breakdown
fibre
Maintenance
19
Quality
13
Community
10
Popularity
5
Documentation
10
concurrent-queue
Maintenance
4
Quality
18
Community
18
Popularity
8
Documentation
12
ubq
Maintenance
18
Quality
19
Community
6
Popularity
2
Documentation
10
Technical Details
| fibre | concurrent-queue | ubq | |
|---|---|---|---|
| Version | 0.5.3 | 2.5.0 | 4.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MPL-2.0 | Apache-2.0 OR MIT | MIT |
| Dependencies | 12 | 7 | 12 |
| Crate Size | 138KB | 23KB | 87KB |
| Features | 3 | 2 | 10 |
| Yanked % | 0.0% | 6.3% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | 1.60 | — |
| Owners | 1 | 3 (team) | 1 |
Links
Quick Verdict
- •concurrent-queue leads with a health score of 60/100, but none of the options score above 80.
- •concurrent-queue is depended on by 1.0K crates — strongest ecosystem trust.
- •⚠ concurrent-queue has not been updated in over a year.
- •fibre is pre-1.0 — API may change.