Free
Gray Simulator 1.8
Gray Simulator is OPC Server that can be usefull in OPC Clients debugging. This OPC simulator is fully compliant with OPC Data Access 1.00, 2.05a and 3.00.
Trial
Graybox OPC Server Toolkit 3.0.28
Graybox OPC Server Toolkit lets the programmer to create robust and highly effective OPC Servers within the shortest possible time. Toolkit supports OPC Data Access 1.00, 2.05a, 3.00. C++ and .NET API available.
Free
Graybox OPC DA Auto Wrapper 1.3
Graybox OPC DA Auto Wrapper is the DLL-module, in which all of the needed OLE-objects are implemented. After registering this module, you will be able to use any OPC Data Access Server with almost any OLE enabled programming language.