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libffi-sys

v4.1.0 Growing

Raw Rust bindings for libffi

MIT/Apache-2.0 Edition 2021 MSRV 1.78
Development tools::FFI #ffi#closure#c#libffi

Quick Verdict

  • โœ“Stable API (4.x for 9+ years)
  • โœ“Trusted by 221 crates
  • โœ“Tiny footprint (1.5MB, 1 deps)
  • โœ“Permissive license (MIT/Apache-2.0)

Security

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Downloads
2.7M
Dependents
221
Releases
51
Size
1.5MB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

194.6K downloads in the last 30 days (6.5K/day), up 24% from the previous period.

๐Ÿ”—
Moderate adoption

221 crates depend on libffi-sys. Reasonable ecosystem adoption, though not yet a core dependency.

โœ…
Stable for 9+ years

The API has been stable (1.x) for over 9 years with 51 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿชถ
Minimal dependencies

Only 1 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐ŸŒŸ
Used by top crates

Notable dependents include libffi, haru, hllvm-sys, ospl, whisper-rs-2. When high-quality crates choose libffi-sys, it's a strong quality signal.

Health Breakdown

Maintenance 11/25

Recency, release consistency, active ratio

Quality 20/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
6K/day avg+7%
05K10K15K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v2.3.0
59%
v4.1.0
20%
v3.3.2
9%
v3.3.3
6%
v4.0.0
6%

Release Timeline

10 releases1 yankedsince 2023
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2023
1
2024
2025
8
2026
1
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Feature Flags

default =["std"]

std*systemcomplexcheck_only

README

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Maintainers

Dependencies
1
direct dependencies
Dependents
221
crates depend on libffi-sys

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