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boring-sys

v5.1.0 Stable

FFI bindings to BoringSSL

MIT Edition 2021 MSRV 1.85

Quick Verdict

  • Actively maintained (updated 19d ago)
  • Stable API (5.x for 5+ years)
  • Trusted by 172 crates
  • Team maintained (5 owners)
  • Permissive license (MIT)

Security

Checking security advisories...
Downloads
4.6M
Dependents
172
Releases
55
Size
5.2MB

Deep Insights

📊
Steady growth

242.5K downloads in the last 30 days (8.1K/day), up 1% from the previous period.

🔗
Moderate adoption

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

👥
Team maintained

This crate is maintained by a team (5 owners), reducing bus-factor risk and ensuring continuity.

Stable for 5+ years

The API has been stable (1.x) for over 5 years with 55 releases. This level of maturity means you can depend on it without worrying about breaking changes.

📐
Large crate size

5.2MB is relatively large. May impact download and compile times.

⚠️
Notable yanked versions

13% of releases have been yanked. Check version history before pinning.

🌟
Used by top crates

Notable dependents include boring, tokio-boring, pingora-boringssl, libsignal-core-syft, quinn-boring. When high-quality crates choose boring-sys, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 13/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
8K/day avg-20%
05K10K15K2/263/164/34/215/95/26

Top Dependents

Version Adoption

v4.21.2
59%
v4.21.1
23%
v5.0.2
9%
v4.22.0
7%
v5.1.0
2%

Release Timeline

10 releases2 yankedsince 2026
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2026
10
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Feature Flags

rpkfipsmlkemunderscore-wildcards

README

Loading README...

Maintainers

Dependencies
4
direct dependencies
Dependents
172
crates depend on boring-sys