OPCViewer is a free software tool is very useful for developers, testers, integrators, and others using OPC. This is a free utility used to help with testing and troubleshooting OPC servers and connections.
CommServer OPCViewer is a full featured OPC client designed to help during installation, testing, and configuration of OPC Data Access compliant servers. This tool is available as standalone application or component of other software packages free of charge.
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