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OPC Specification - http://www.opcfoundation.org/
The specifications of the OPC standard architecture. |
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Kepware OPC - http://www.kepware.com/
Offers OPC for industrial automation needs, including servers, clients, bridging software, and converters. |
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ascolab GmbH - automation systems communication laboratory - http://www.ascolab.com/
Supplies consulting and development services in the area of industrial communication based on OPC technology. OPC related downloads, demos, documentation, and links. |
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Technosoftware Inc. - http://www.technosoftware.com/
Toolkits and utilities for developers of OPC servers, clients and diagnostic tools. |
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OPC Labs - http://www.opclabs.com
Provides various advanced products based on OPC technology or related to it, with a focus on OPC Server development, OPC Client development, and custom OPC solutions. |