Decision Workspace
mea vs saa vs lockable
Side-by-side comparison of Rust crates
61
mea
growingv0.6.4
A runtime-agnostic library providing essential synchronization primitives for asynchronous Rust programming.
63
saa
growingv5.6.0
Word-sized low-level synchronization primitives providing both asynchronous and synchronous interfaces.
54
lockable
growingv0.2.0
This library offers hash map, hash set and cache data structures where individual entries can be locked
Core Metrics
| mea | saa | lockable | |
|---|---|---|---|
| Health Score | 61 | 63 | 54 |
| Total Downloads | 4.2M | 2.0M | 257.8K |
| 30d Downloads | 406.2K | 236.5K | 3.9K |
| Dependents | 138 | 76 | 116 |
| Releases | 38 | 49 | 11 |
| Last Updated | 46d ago | 62d ago | 400d ago |
| Age | 1y 8m | 11m | 4y 3m |
Health Breakdown
mea
Maintenance
16
Quality
10
Community
12
Popularity
8
Documentation
15
saa
Maintenance
15
Quality
14
Community
11
Popularity
8
Documentation
15
lockable
Maintenance
5
Quality
16
Community
12
Popularity
6
Documentation
15
Technical Details
| mea | saa | lockable | |
|---|---|---|---|
| Version | 0.6.4 | 5.6.0 | 0.2.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 5 | 7 |
| Crate Size | 85KB | 42KB | 54KB |
| Features | 0 | 2 | 3 |
| Yanked % | 10.5% | 28.6% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | 1.85.0 | 1.85.0 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •saa leads with a health score of 63/100, but none of the options score above 80.
- •mea has the most downloads (4.2M), suggesting wider adoption.
- •mea is depended on by 138 crates — strongest ecosystem trust.
- •⚠ lockable has not been updated in over a year.
- •mea, lockable are pre-1.0 — API may change.