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    27 repositories

    • UA-.NETStandard

      Public
      OPC Unified Architecture .NET Standard
      C#
      •
      Other
      •1k•2.2k•115•10•Updated Oct 20, 2025Oct 20, 2025

    • UA-EdgeTranslator

      Public
      An industrial connectivity edge application translating from proprietary protocols to OPC UA leveraging the W3C Web of Things (WoT) thing descriptions.
      ocppmodbustwincatwotlorawanbacnetiec61850s7-protocolopcuaethernetip
      C#
      •
      MIT License
      •11•45•2•0•Updated Oct 19, 2025Oct 19, 2025

    • UA-Java-Legacy

      Public
      This repository is provided by OPC Foundation as legacy support for an Java version for OPC UA.
      Java
      •
      Other
      •230•365•52•2•Updated Oct 17, 2025Oct 17, 2025

    • UA-.NETStandard-Samples

      Public
      C#
      •
      Other
      •212•310•31•2•Updated Oct 13, 2025Oct 13, 2025

    • UA-Nodeset

      Public
      UA Nodeset
      opc-ua-specificationsuanodesetnormative-filescompanion-specification
      C#
      •158•252•12•4•Updated Oct 12, 2025Oct 12, 2025

    • UA-CloudLibrary

      Public
      OPC UA Information Model database with a REST and GraphQL interface, as well as user management. The global instance of this (hosted by the OPC Foundation) can be found at https://uacloudlibrary.opcfoundation.org.
      cloudopcuadigitaltwin
      C#
      •
      Other
      •21•45•2•0•Updated Sep 29, 2025Sep 29, 2025

    • UA-NodesetEditor

      Public
      Create valid and compliant OPC-UA Part 5 XML Information Models (Nodesets) in a 100% web-based environment.
      C#
      •
      BSD 3-Clause "New" or "Revised" License
      •3•7•24•2•Updated Sep 23, 2025Sep 23, 2025

    • UA-WebApi-StarterKit

      Public
      C#
      •
      MIT License
      •6•11•0•0•Updated Sep 23, 2025Sep 23, 2025

    • opcua-webapi-dotnet

      Public
      C#
      •6•4•0•0•Updated Aug 30, 2025Aug 30, 2025

    • opcua-webapi-python

      Public
      Python
      •
      MIT License
      •2•2•0•0•Updated Aug 30, 2025Aug 30, 2025

    • opcua-webapi-typescript

      Public
      The OPC UA OpenAPI REST Helper Classes in Javascript
      TypeScript
      •1•2•0•0•Updated Aug 30, 2025Aug 30, 2025

    • UA-ModelCompiler

      Public
      ModelCompiler converts XML files into C# and ANSI C
      C#
      •
      MIT License
      •98•164•26•3•Updated Aug 29, 2025Aug 29, 2025

    • AAS2Nodeset

      Public
      Tool converting from AAS XML/JSON to OPC UA Nodeset2.XML files
      C#
      •
      MIT License
      •0•1•0•0•Updated Aug 15, 2025Aug 15, 2025

    • CESMII-Common

      Public
      This is common code shared by multiple repos in the CESMII ecosystem. For instance, this contains a cloud library client that both marketplace and profile designer use. The repo is used as a submodule within other repos so that multiple repos can seamlessly share this code.
      C#
      •
      BSD 3-Clause "New" or "Revised" License
      •3•0•0•0•Updated Aug 13, 2025Aug 13, 2025

    • OPC-SecurityAdvisories

      Public
      The Security Advisories published by the OPC Foundation
      PowerShell
      •0•4•6•0•Updated May 21, 2025May 21, 2025

    • UA-CloudCommander

      Public
      A cross-platform OPC UA cloud command & control reference implementation leveraging MQTT and Kafka. It runs in a Docker container and executing commands, reads and writes on on-prem OPC UA servers from the cloud.
      mqttiotopcua
      C#
      •
      MIT License
      •7•24•0•0•Updated May 21, 2025May 21, 2025

    • UA-for-AI-Prototype

      Public
      Prototype code produced by the OPC UA for AI Working Group
      Python
      •
      MIT License
      •3•0•0•0•Updated May 5, 2025May 5, 2025

    • UA-CloudAction

      Public
      An OPC UA Cloud-based Action which calls UA Cloud Commander on the Edge via Kafka.
      C#
      •
      MIT License
      •2•5•0•0•Updated May 2, 2025May 2, 2025

    • UA-CloudMetaverse

      Public
      OPC UA Metaverse reference implementation leveraging Unity
      ShaderLab
      •
      MIT License
      •2•12•1•0•Updated Mar 26, 2025Mar 26, 2025

    • UA-IIoT-StarterKit

      Public
      Samples and tutorials to illustrate how to build OPC UA PubSub applications.
      factoryopc-uapubsub-overview
      C#
      •
      MIT License
      •42•167•0•0•Updated Feb 15, 2025Feb 15, 2025

    • UA-CloudDashboard

      Public
      A cross-platform OPC UA cloud dashboard reference implementation leveraging MQTT. It runs in a Docker container and displays OPC UA PubSub telemetry data, read directly from an MQTT broker or Azure EventHub/IoT Hub. It supports both JSON and binary payloads as well as OPC UA Complex Types decoding.
      mqttiotopcua
      JavaScript
      •
      MIT License
      •4•22•0•0•Updated Feb 13, 2025Feb 13, 2025

    • UA-CloudViewer

      Public
      A tool to manage OPC UA information models ("industrial digital twins"). UA Cloud Viewer is a tool used in Industrial IoT scenarios to bridge the gap from OT to IT. OPC UA is the standard interface for vendor-neutral Operational Technology (OT) interoperability in factories, plants and renewable energy farms.
      JavaScript
      •
      MIT License
      •7•38•1•0•Updated Feb 11, 2025Feb 11, 2025

    • OPCUA-ECC-CodeFragments

      Public
      A set of code fragments that are useful to people creating stacks that implement the ECC profiles.
      C
      •
      MIT License
      •0•0•0•0•Updated Nov 21, 2024Nov 21, 2024

    • UA-LDS

      Public
      Local Discovery Server
      C
      •50•47•8•5•Updated Sep 11, 2024Sep 11, 2024

    • Misc-Tools

      Public
      Miscellaneous utilities
      C#
      •38•52•7•0•Updated Nov 10, 2023Nov 10, 2023

    • UA-.NET-Legacy

      Public
      OPC Foundation Unified Architecture .NET Reference Implementations
      C#
      •297•339•60•6•Updated Oct 9, 2023Oct 9, 2023

    • opcfoundation.github.io

      Public
      About the OPC Foundation and OPC Technology
      CSS
      •7•11•0•1•Updated Aug 19, 2019Aug 19, 2019