69
llvm-sys
v221.0.1 StableBindings to LLVM's C API
MIT Edition 2021 MSRV 1.65.0
Quick Verdict
- ✓Actively maintained (updated 48d ago)
- ✓Stable API (221.x for 10+ years)
- ✓Massive adoption (1.5K crates depend on it)
- ✓Permissive license (MIT)
Security
Checking security advisories...
Downloads
4.2M
Dependents
1.5K
Releases
198
Size
64KB
Deep Insights
📊
Steady growth
221.6K downloads in the last 30 days (7.4K/day), up 1% from the previous period.
🔗
Widely adopted
1.5K crates depend on llvm-sys. Strong ecosystem adoption means battle-tested code and long-term stability.
⚠️
Single maintainer risk
llvm-sys has only 1 owner despite 1.5K dependents. This is a bus-factor concern — consider the implications for long-term support.
✅
Stable for 10+ years
The API has been stable (1.x) for over 10 years with 198 releases. This level of maturity means you can depend on it without worrying about breaking changes.
Health Breakdown
Maintenance 16/25
Recency, release consistency, active ratio
Quality 20/25
Yanked ratio, deps, size, maturity, features
Community 13/20
Reverse deps, ownership, ecosystem
Popularity 8/15
Downloads, momentum, growth trend
Documentation 12/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
8K/day avg-25%
Top Dependents
Most downloaded crates that depend on llvm-sys
Version Adoption
v211.0.0
38%
v201.0.1
18%
v221.0.0-rc1
17%
v211.0.0-rc1
14%
v221.0.1
13%
Release Timeline
10 releasessince 2025
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2025
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2026
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Feature Flags
force-staticforce-dynamicprefer-staticprefer-dynamicno-llvm-linkingstrict-versioningdisable-alltargets-init
README
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Maintainers
Dependencies
8
direct dependencies
Dependents
1.5K
crates depend on llvm-sys