Decision Workspace
simavr-ffi vs lean-rs-sys vs gnu-units-sys
Side-by-side comparison of Rust crates
52
simavr-ffi
stablev1.2.5
Low-level bindings to simavr
62
lean-rs-sys
experimentalv0.1.10
Raw FFI bindings for the Lean 4 C ABI. See `lean-rs` for the safe front door.
50
gnu-units-sys
experimentalv2.27.0
Raw FFI bindings to the GNU units C library
Core Metrics
| simavr-ffi | lean-rs-sys | gnu-units-sys | |
|---|---|---|---|
| Health Score | 52 | 62 | 50 |
| Total Downloads | 12.0K | 298 | 17 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 13 | 39 | 1 |
| Releases | 12 | 10 | 1 |
| Last Updated | 24d ago | today | 4d ago |
| Age | 3y 11m | 7d | 4d |
Health Breakdown
simavr-ffi
Maintenance
16
Quality
15
Community
6
Popularity
5
Documentation
10
lean-rs-sys
Maintenance
17
Quality
17
Community
10
Popularity
3
Documentation
15
gnu-units-sys
Maintenance
13
Quality
17
Community
6
Popularity
1
Documentation
13
Technical Details
| simavr-ffi | lean-rs-sys | gnu-units-sys | |
|---|---|---|---|
| Version | 1.2.5 | 0.1.10 | 2.27.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | GPL-3.0-or-later |
| Dependencies | 5 | 1 | 2 |
| Crate Size | 3.9MB | 40KB | 274KB |
| Features | 0 | 5 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.91 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •lean-rs-sys leads with a health score of 62/100, but none of the options score above 80.
- •simavr-ffi has the most downloads (12.0K), suggesting wider adoption.
- •lean-rs-sys is pre-1.0 — API may change.