Decision Workspace
fibre vs concurrent-queue vs ubq
Side-by-side comparison of Rust crates
54
fibre
experimentalv0.5.1
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
46
ubq
experimentalv2.1.2
Lock-free unbounded MPMC queue backed by a linked ring of fixed-size blocks.
Core Metrics
| fibre | concurrent-queue | ubq | |
|---|---|---|---|
| Health Score | 54 | 60 | 46 |
| Total Downloads | 15.3K | 208.7M | 96 |
| 30d Downloads | 3.7K | 16.0M | 8 |
| Dependents | 39 | 1.0K | 0 |
| Releases | 14 | 16 | 6 |
| Last Updated | 56d ago | 700d ago | 36d ago |
| Age | 9m | 5y 10m | 1m |
Health Breakdown
fibre
Maintenance
16
Quality
13
Community
10
Popularity
5
Documentation
10
concurrent-queue
Maintenance
4
Quality
18
Community
18
Popularity
8
Documentation
12
ubq
Maintenance
11
Quality
17
Community
6
Popularity
2
Documentation
10
Technical Details
| fibre | concurrent-queue | ubq | |
|---|---|---|---|
| Version | 0.5.1 | 2.5.0 | 2.1.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MPL-2.0 | Apache-2.0 OR MIT | MIT |
| Dependencies | 12 | 7 | 11 |
| Crate Size | 120KB | 23KB | 267KB |
| Features | 3 | 2 | 5 |
| 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.