Decision Workspace
sema vs bau vs blocking-permit
Side-by-side comparison of Rust crates
43
sema
growingv0.1.4
Rust semaphore library
51
bau
experimentalv0.7.0
Fun, simple signaling library
50
blocking-permit
growingv1.3.3
Permits and a thread pool for blocking operations
Core Metrics
| sema | bau | blocking-permit | |
|---|---|---|---|
| Health Score | 43 | 51 | 50 |
| Total Downloads | 25.8K | 3.7K | 17.6K |
| 30d Downloads | 146 | 12 | 70 |
| Dependents | 74 | 0 | 9 |
| Releases | 5 | 10 | 9 |
| Last Updated | 3759d ago | 236d ago | 1611d ago |
| Age | 10y 7m | 7m | 6y 3m |
Health Breakdown
sema
Maintenance
5
Quality
14
Community
8
Popularity
5
Documentation
11
bau
Maintenance
16
Quality
14
Community
5
Popularity
4
Documentation
12
blocking-permit
Maintenance
4
Quality
21
Community
8
Popularity
5
Documentation
12
Technical Details
| sema | bau | blocking-permit | |
|---|---|---|---|
| Version | 0.1.4 | 0.7.0 | 1.3.3 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT/Apache-2.0 |
| Dependencies | 5 | 1 | 14 |
| Crate Size | 6KB | 9KB | 25KB |
| Features | 0 | 0 | 9 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2024 | 2018 |
| MSRV | — | 1.88 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •bau leads with a health score of 51/100, but none of the options score above 80.
- •sema has the most downloads (25.8K), suggesting wider adoption.
- •⚠ sema, blocking-permit have not been updated in over a year.
- •sema, bau are pre-1.0 — API may change.