Decision Workspace
cap-std vs rustix vs cap-primitives
Side-by-side comparison of Rust crates
69
cap-std
stablev4.0.2
Capability-based version of the Rust standard library
68
rustix
stablev1.1.4
Safe Rust bindings to POSIX/Unix/Linux/Winsock-like syscalls
64
cap-primitives
stablev4.0.2
Capability-based primitives
Core Metrics
| cap-std | rustix | cap-primitives | |
|---|---|---|---|
| Health Score | 69 | 68 | 64 |
| Total Downloads | 11.3M | 820.7M | 15.1M |
| 30d Downloads | 1.2M | 74.5M | 1.4M |
| Dependents | 1.6K | 6.8K | 417 |
| Releases | 92 | 169 | 93 |
| Last Updated | 99d ago | 92d ago | 99d ago |
| Age | 5y 11m | 4y 6m | 5y 9m |
Health Breakdown
cap-std
Maintenance
14
Quality
20
Community
17
Popularity
8
Documentation
10
rustix
Maintenance
14
Quality
16
Community
15
Popularity
8
Documentation
15
cap-primitives
Maintenance
14
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 69/100, but none of the options score above 80.
- •rustix has the most downloads (820.7M), suggesting wider adoption.
- •rustix is depended on by 6.8K crates — strongest ecosystem trust.