Bringing Together Your Data Sources via OPC Technology
OPC Server Toolkits
SLIK-DA Control with UA
C#, VB.NET, Visual Basic, VC++ toolkit for creating OPC DA Servers and OPC UA Servers (DA Profile)
The Simple Language Independent Kit for Creating OPC Data Access Servers. SLIK-DA is a .NET Windows Form and ActiveX Control used to quickly add robust OPC Data Access server interfaces to your C#, VB.NET, and Visual Basic applications. Create a new server, or add DA interfaces to an existing application. A free, full featured evaluation version is available, including C#, VB.NET, and VB sample server source code.