Sample projects for C#, VB.NET and C++/CLI to guide developers using our OPC UA .NET SDKs.

List of commercial and open source OPC UA Clients

OPC-UA client UI

OPC-UA Ruby Bindings (open62541)

OPC client and subscriber code examples using QuickOPC in Object Pascal (Delphi) for OPC Data Access (OPC DA) and OPC Unified Architecture (OPC UA), including OPC UA PubSub.

OPC UA client integration for Laravel with Facade, named connections, and an optional persistent session manager daemon.

A PHP library that talks OPC UA binary protocol over TCP. It handles the full stack — transport, encoding, secure channels, sessions, crypto — so you can connect to any OPC UA server straight from PHP, without shelling out to C/C++ libraries.

OPC client, server and subscriber code examples in C#, for OPC Data Access (OPC DA) and OPC Unified Architecture (OPC UA), including OPC UA PubSub.

OPC client and subscriber code examples using QuickOPC in VB6 for OPC Data Access (OPC DA) and OPC Unified Architecture (OPC UA), including OPC UA PubSub.

This node-red package allows to manage OPC UA communication like read, write, subscription, ... and expose its own server

An OPC-UA command-line (CLI) client able to read values from an OPC UA server

FactoryTalk® Optix™ can support custom ID when publishing OPC/UA tags, this can be exposed by NodeId, Path, String or integers to achieve best compatibility with OPC/UA clients

Read Modbus, OPC Server, Contrologix and XML values directly from terminal

OPC client and subscriber code examples using QuickOPC in PowerShell for OPC Data Access (OPC DA) and OPC Unified Architecture (OPC UA), including OPC UA PubSub.

UA Solutions offers smooth and efficient development of OPC UA Client and Server applications.

Teacup client/server OPC UA support

QuickOPC is a suite of OPC Client/Subscriber development components for .NET, COM and Python. Supports OPC Unified Architecture (including OPC UA PubSub), OPC "Classic" (COM/DCOM-based) and OPC XML-DA specifications.

OPC client and subscriber code examples using QuickOPC in Python for OPC Data Access (OPC DA) and OPC Unified Architecture (OPC UA), including OPC UA PubSub.