Free Stuff - OPC UA

This page draws together all the information we have on freely available OPC UA software.

Free UA Servers

Free UA Clients

Free UA Utilities

The tools which appear on this page are all supplied free of charge, and are either pre-built or supplied as 'ready to build' source code, or both. Some are evaluation versions, and are identified as such. They may all be downloaded from the Web.



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OPC UA SDK


Our UA SDKs and Toolkits page has more information on approaches to UA development.

See also:


Free UA Servers

Product

Supplier

Notes

OPC UA SDK

Matrikon OPC

Imagine your world with Matrikon FLEX OPC UA embedded in everything. Every device, platform and application will be empowered for connectivity by the most robust, scalable OPC UA toolkit available today.

OPC UA Demo Server for Windows

Unified Automation

OPC UA DemoServer - Freeware for Windows. OPC UA enabled KEPServer for Unified Automation - 1 hour Demo Version.

UaGateway Wrapper/Proxy for Windows - Technical Preview

Unified Automation

Utility that translates classic OPC DA to OPC UA and vice versa.

Free UA Clients

Product

Supplier

Notes

OPC UA Explorer

Matrikon OPC

Matrikon® FLEX UA Mobile Explorer is a free mobile tool for verifying real-time OPC UA DA data, as well as testing and troubleshooting connectivity to OPC UA DA servers.

UaExpert

Unified Automation

OPC UA Expert - Freeware for Linux (x86) or Windows.

OPC UA Viewer

CommServer

Free OPC UA client. It connects to any OPC UA server, read data from the server and browse model structure

Free UA Utilities

Product

Supplier

Notes

OPC UA Tunneller™

Matrikon OPC

Matrikon OPC UA Tunneller helps future-proof your control infrastructure in anticipation of increased utilization of OPC UA. It takes the uncertainty out of ensuring reliable OPC Classic/OPC UA interoperability and cross-network communications. This solution is the right choice to get your OPC Classic-to-Classic connectivity and Classic-to-UA bridging up-and-running quickly and efficiently.

Allen-Bradley with OPC UA

Matrikon OPC

The Matrikon OPC Server for Allen Bradley allows you to connect to any Allen Bradley PLCs using either OPC specification with the addition of the Matrikon OPC UA Tunneller™, the professional’s choice for mixed OPC UA and Classic OPC projects.

UaModeler - Technical Preview

Unified Automation

Graphical UA Modeling Tool, capable of generating source code for OPC UA Servers.