Decision Workspace
mutex-extra vs instance-copy-on-write vs maitake-sync
Side-by-side comparison of Rust crates
42
mutex-extra
growingv0.9.9
`RefMutex<T>` that is similar to `Mutex<T>` but is `Sync` and `Send` even if `T` isn't `Send`.
50
instance-copy-on-write
experimentalv0.9.1
A MT-safe copy-on-write implementation for the data structures.
65
maitake-sync
growingv0.3.0
No-std async synchronization primitives from Maitake
Core Metrics
| mutex-extra | instance-copy-on-write | maitake-sync | |
|---|---|---|---|
| Health Score | 42 | 50 | 65 |
| Total Downloads | 5.4K | 2.0K | 142.8K |
| 30d Downloads | 6 | 138 | 17.6K |
| Dependents | 0 | 14 | 101 |
| Releases | 4 | 12 | 7 |
| Last Updated | 1619d ago | 74d ago | 14d ago |
| Age | 4y 5m | 6m | 2y 6m |
Health Breakdown
mutex-extra
Maintenance
9
Quality
16
Community
5
Popularity
4
Documentation
8
instance-copy-on-write
Maintenance
15
Quality
13
Community
8
Popularity
4
Documentation
10
maitake-sync
Maintenance
19
Quality
14
Community
11
Popularity
6
Documentation
15
Technical Details
| mutex-extra | instance-copy-on-write | maitake-sync | |
|---|---|---|---|
| Version | 0.9.9 | 0.9.1 | 0.3.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | Apache-2.0 | MIT | MIT |
| Dependencies | 0 | 2 | 17 |
| Crate Size | 5KB | 23KB | 106KB |
| Features | 0 | 2 | 6 |
| Yanked % | 0.0% | 8.3% | 0.0% |
| Edition | — | 2024 | 2021 |
| MSRV | — | — | 1.61.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •maitake-sync leads with a health score of 65/100, but none of the options score above 80.
- •maitake-sync is depended on by 101 crates — strongest ecosystem trust.
- •⚠ mutex-extra has not been updated in over a year.