OPC UA Products

OPC UA SDKs & Toolkits

Download BoxC++ SDK (Download)

Download BoxANSI C SDK (Download)

Download Box.NET SDK (Download)

Download BoxJava SDK (Download)

OPC UA Products

Download BoxUaExpert (Download)

Download BoxUaGateway (Download)


OPC UA Book Cover

The first OPC Unified Architecture Book, written by Wolfgang Mahnke, Stefan-Helmut Leitner and Matthias Damm one of the OPC UA trainers for Unified Automation.

Upcoming Events


de.gifErlangen, Sep 23–26, 2014

Shows, Fairs, Exhibitions

fr.gifIBS France, Sep 24–25, 2014

fi.gifMES and OPC Day, Oct 7, 2014

de.gifSPS/IPC/Drive, Nov 25–27, 2014

Product News


New .NET Client/Server SDK V2.3.0—Release

A new Release of the .NET based OPC UA Client/Server SDK Bundle is available for download (supports VS2008, VS2010, and VS2012 as well as .NET Framework 3.5 SP1, 4.0 SP1, and 4.5). This Release contains new features, bug fixes,...more »


New C++ based OPC UA Client/Server SDK V1.4.2—Service Release

A new Service Release of the C++ Client/Server SDK is available for download (Visual Studio 2008 and 2010 for Windows, GCC4.5.1 for Linux). This  version contains improvements regarding security and compliance...more »


New UaExpert V1.3.0—Release

A new release of UaExpert, our full-featured OPC UA Client, is available for download. This new version is based on our C++ based OPC UA Client SDK V1.4.1. UaExpert now supports structured data and contains new plugins for server...more »

General News

Certified for Compliance Logo


ANSI C Based OPC UA SDK Certified for Compliance

The ANSI C based OPC UA Server SDK V1.4.1 became officially Certified for Compliance by the OPC Foundation.more »

FESTO Headquarters


OPC Day Europe 2014 at FESTO

Esslingen, May 14–15, 2014. Unified Automation GmbH was sponsor of the OPC Day Europe at FESTO headquarters in Esslingen, Germany.more »

Heartbleed Bug


Heartbleed Bug in OpenSSL

OpenSSL has a serious vulnerability, called the “Heartbleed Bug” . Are you affected? This depends on the version and configuration of the OPC UA SDK and the OpenSSL version that are used. The latest Windows versions of our...more »