Decision Workspace
caducus vs lite-sync vs concurrent-queue
Side-by-side comparison of Rust crates
49
caducus
experimentalv0.2.2
Bounded MPSC/SPSC channel with expiry
62
lite-sync
experimentalv0.2.4
Fast, lightweight async primitives: SPSC channel, oneshot, notify, and atomic waker
60
concurrent-queue
growingv2.5.0
Concurrent multi-producer multi-consumer queue
Core Metrics
| caducus | lite-sync | concurrent-queue | |
|---|---|---|---|
| Health Score | 49 | 62 | 60 |
| Total Downloads | 369 | 8.6K | 279.6M |
| 30d Downloads | 0 | 1.4K | 14.1M |
| Dependents | 2 | 10 | 1.1K |
| Releases | 2 | 14 | 16 |
| Last Updated | 68d ago | 3d ago | 808d ago |
| Age | 2m | 8m | 6y 1m |
Health Breakdown
caducus
Maintenance
10
Quality
14
Community
7
Popularity
3
Documentation
15
lite-sync
Maintenance
19
Quality
16
Community
9
Popularity
5
Documentation
13
concurrent-queue
Maintenance
4
Quality
18
Community
18
Popularity
8
Documentation
12
Technical Details
| caducus | lite-sync | concurrent-queue | |
|---|---|---|---|
| Version | 0.2.2 | 0.2.4 | 2.5.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 | MIT OR Apache-2.0 | Apache-2.0 OR MIT |
| Dependencies | 3 | 6 | 7 |
| Crate Size | 58KB | 50KB | 23KB |
| Features | 0 | 5 | 2 |
| Yanked % | 0.0% | 0.0% | 6.3% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | 1.71 | — | 1.60 |
| Owners | 1 | 1 | 3 (team) |
Links
Quick Verdict
- •lite-sync leads with a health score of 62/100, but none of the options score above 80.
- •concurrent-queue has the most downloads (279.6M), suggesting wider adoption.
- •concurrent-queue is depended on by 1.1K crates — strongest ecosystem trust.
- •⚠ concurrent-queue has not been updated in over a year.
- •caducus, lite-sync are pre-1.0 — API may change.