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open62541-sys
v0.5.4 GrowingLow-level, unsafe bindings for the C99 library open62541, an open source and free implementation of OPC UA (OPC Unified Architecture).
MPL-2.0 Edition 2024 MSRV 1.85
External FFI bindingsNetwork programmingEmbedded development #protocol#hardware#automation#opcua#plc
Quick Verdict
- ✓Actively maintained (updated 11d ago)
- !Pre-1.0: API may have breaking changes
Security
Checking security advisories...
Downloads
219.7K
Dependents
35
Releases
38
Size
2.7MB
Deep Insights
📈
Strong growth momentum
41.2K downloads in the last 30 days (1.4K/day), up 51% from the previous period.
🔬
Pre-1.0 for over a year
Despite being 2+ years old, open62541-sys hasn't reached 1.0 yet. Expect potential API changes between versions.
📐
Large crate size
2.7MB is relatively large. May impact download and compile times.
Health Breakdown
Maintenance 19/25
Recency, release consistency, active ratio
Quality 12/25
Yanked ratio, deps, size, maturity, features
Community 10/20
Reverse deps, ownership, ecosystem
Popularity 6/15
Downloads, momentum, growth trend
Documentation 15/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
1K/day avg+70%
Top Dependents
Most downloaded crates that depend on open62541-sys
Version Adoption
v0.5.1
54%
v0.4.18
34%
v0.4.15
6%
v0.4.11
3%
v0.4.14
2%
Release Timeline
38 releases1 yankedsince 2024
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2024
24
2025
11
2026
3
LessMore|Yanked
Feature Flags
mbedtls
README
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Maintainers
Dependencies
4
direct dependencies
Dependents
35
crates depend on open62541-sys