open62541 ☆
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Description:
Open source implementation of OPC UA
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @open62541  |  formulae.brew.sh
Category: Networking
Tags: opc-ua industrial-automation iiot c-library protocol
Install: brew install open62541
About:
Open62541 is an open-source C library that provides a complete implementation of the OPC UA (Unified Architecture) protocol stack. It enables developers to build robust, scalable, and secure industrial communication clients and servers. Its main value proposition is a platform-independent, standards-compliant solution for Industry 4.0 and IoT applications.
Key Features:
  • Full OPC UA stack implementation (client and server)
  • Platform-independent with minimal dependencies
  • Code generation from OPC UA information models
  • MIT license for flexible commercial use
Use Cases:
  • Developing embedded OPC UA servers for PLCs and sensors
  • Building SCADA and HMI client applications
  • Integrating legacy devices into modern IIoT systems
Alternatives:
  • prosys-opc-ua – Commercial SDK with Java/Python/.NET focus, offering extensive support but requiring licensing fees.
  • node-opcua – A robust Node.js implementation, ideal for web applications but less suited for embedded C/C++ environments.
Version History
Detected Version Rev Change Commit
Nov 25, 2024 2:10pm 0 VERSION_BUMP 0fb8de80
Nov 13, 2024 9:48pm 0 VERSION_BUMP 7abb79fd
Oct 26, 2024 9:34pm 0 VERSION_BUMP 12baeb16
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