Decision Workspace
cap-std vs rustix vs cap-primitives
Side-by-side comparison of Rust crates
72
cap-std
stablev4.0.2
Capability-based version of the Rust standard library
71
rustix
stablev1.1.4
Safe Rust bindings to POSIX/Unix/Linux/Winsock-like syscalls
67
cap-primitives
stablev4.0.2
Capability-based primitives
Core Metrics
| cap-std | rustix | cap-primitives | |
|---|---|---|---|
| Health Score | 72 | 71 | 67 |
| Total Downloads | 9.1M | 688.7M | 12.6M |
| 30d Downloads | 870.0K | 59.1M | 1.0M |
| Dependents | 1.5K | 5.9K | 411 |
| Releases | 92 | 169 | 93 |
| Last Updated | 40d ago | 33d ago | 40d ago |
| Age | 5y 9m | 4y 5m | 5y 7m |
Health Breakdown
cap-std
Maintenance
17
Quality
20
Community
17
Popularity
8
Documentation
10
rustix
Maintenance
17
Quality
16
Community
15
Popularity
8
Documentation
15
cap-primitives
Maintenance
17
Quality
17
Community
15
Popularity
8
Documentation
10
Technical Details
| cap-std | rustix | cap-primitives | |
|---|---|---|---|
| Version | 4.0.2 | 1.1.4 | 4.0.2 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT | Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT | Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT |
| Dependencies | 6 | 20 | 11 |
| Crate Size | 37KB | 425KB | 94KB |
| Features | 3 | 31 | 0 |
| Yanked % | 2.2% | 5.3% | 2.1% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.63 | — |
| Owners | 2 | 1 | 2 |
Links
Quick Verdict
- •cap-std leads with a health score of 72/100, but none of the options score above 80.
- •rustix has the most downloads (688.7M), suggesting wider adoption.
- •rustix is depended on by 5.9K crates — strongest ecosystem trust.