Decision Workspace
single_value_channel vs fibre vs ubq
Side-by-side comparison of Rust crates
45
single_value_channel
growingv1.2.2
Concurrent single-value update and receive channel
54
fibre
experimentalv0.5.1
High-performance, safe, memory-efficient sync/async channels built for real-time, low-overhead communication in concurrent Rust applications.
46
ubq
experimentalv2.1.2
Lock-free unbounded MPMC queue backed by a linked ring of fixed-size blocks.
Core Metrics
| single_value_channel | fibre | ubq | |
|---|---|---|---|
| Health Score | 45 | 54 | 46 |
| Total Downloads | 60.5K | 15.3K | 96 |
| 30d Downloads | 1.2K | 3.5K | 8 |
| Dependents | 16 | 39 | 0 |
| Releases | 5 | 14 | 6 |
| Last Updated | 1860d ago | 56d ago | 36d ago |
| Age | 8y 9m | 9m | 1m |
Health Breakdown
single_value_channel
Maintenance
4
Quality
21
Community
5
Popularity
6
Documentation
9
fibre
Maintenance
16
Quality
13
Community
10
Popularity
5
Documentation
10
ubq
Maintenance
11
Quality
17
Community
6
Popularity
2
Documentation
10
Technical Details
| single_value_channel | fibre | ubq | |
|---|---|---|---|
| Version | 1.2.2 | 0.5.1 | 2.1.2 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | Apache-2.0 | MPL-2.0 | MIT |
| Dependencies | 0 | 12 | 11 |
| Crate Size | 8KB | 120KB | 267KB |
| Features | 0 | 3 | 5 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fibre leads with a health score of 54/100, but none of the options score above 80.
- •single_value_channel has the most downloads (60.5K), suggesting wider adoption.
- •⚠ single_value_channel has not been updated in over a year.
- •fibre is pre-1.0 — API may change.