Decision Workspace
libffi2 vs libffi vs libffi-sys
Side-by-side comparison of Rust crates
44
libffi2
growingv3.3.0
Rust bindings for libffi
72
libffi
stablev5.1.0
Rust bindings for libffi
68
libffi-sys
stablev4.1.0
Raw Rust bindings for libffi
Core Metrics
| libffi2 | libffi | libffi-sys | |
|---|---|---|---|
| Health Score | 44 | 72 | 68 |
| Total Downloads | 2.6K | 2.4M | 2.4M |
| 30d Downloads | 4 | 177.1K | 177.0K |
| Dependents | 0 | 513 | 216 |
| Releases | 4 | 46 | 51 |
| Last Updated | 389d ago | 86d ago | 86d ago |
| Age | 1y | 9y 9m | 9y 9m |
Health Breakdown
libffi2
Maintenance
11
Quality
15
Community
5
Popularity
4
Documentation
9
libffi
Maintenance
13
Quality
23
Community
16
Popularity
8
Documentation
12
libffi-sys
Maintenance
13
Quality
20
Community
15
Popularity
8
Documentation
12
Technical Details
| libffi2 | libffi | libffi-sys | |
|---|---|---|---|
| Version | 3.3.0 | 5.1.0 | 4.1.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT/Apache-2.0 | MIT/Apache-2.0 | MIT/Apache-2.0 |
| Dependencies | 2 | 3 | 1 |
| Crate Size | 24KB | 33KB | 1.5MB |
| Features | 2 | 5 | 5 |
| Yanked % | 75.0% | 0.0% | 3.9% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.78 | 1.78 |
| Owners | 1 | 4 | 3 |
Links
Quick Verdict
- •libffi leads with a health score of 72/100, but none of the options score above 80.
- •libffi-sys has the most downloads (2.4M), suggesting wider adoption.
- •libffi is depended on by 513 crates — strongest ecosystem trust.
- •⚠ libffi2 has not been updated in over a year.