Decision Workspace
leo3-ffi vs leo3 vs libc
Side-by-side comparison of Rust crates
54
leo3-ffi
experimentalv0.2.1
Raw FFI bindings to the Lean4 C API
49
leo3
experimentalv0.2.1
Rust bindings for the Lean4 theorem prover
74
libc
growingv0.2.183
Raw FFI bindings to platform libraries like libc.
Core Metrics
| leo3-ffi | leo3 | libc | |
|---|---|---|---|
| Health Score | 54 | 49 | 74 |
| Total Downloads | 304 | 212 | 1.0B |
| 30d Downloads | 27 | 10 | 68.8M |
| Dependents | 8 | 0 | 120.3K |
| Releases | 9 | 8 | 199 |
| Last Updated | 42d ago | 42d ago | 19d ago |
| Age | 3m | 3m | 11y 2m |
Health Breakdown
leo3-ffi
Maintenance
16
Quality
14
Community
9
Popularity
3
Documentation
12
leo3
Maintenance
16
Quality
13
Community
5
Popularity
3
Documentation
12
libc
Maintenance
19
Quality
15
Community
20
Popularity
8
Documentation
12
Technical Details
| leo3-ffi | leo3 | libc | |
|---|---|---|---|
| Version | 0.2.1 | 0.2.1 | 0.2.183 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 3 | 11 | 1 |
| Crate Size | 45KB | 222KB | 817KB |
| Features | 0 | 4 | 7 |
| Yanked % | 0.0% | 0.0% | 4.5% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.88 | 1.88 | 1.63 |
| Owners | 1 | 1 | 7 (team) |
Links
Quick Verdict
- •libc leads with a health score of 74/100, but none of the options score above 80.
- •libc is depended on by 120.3K crates — strongest ecosystem trust.