用于工业自动化数据采集，支持组态王，wincc，力控，intouch等-The OPC UA SDK .NET assemblies can also be used in later versions but a dependency to .NET framework 3.5 SP1, 4.0 SP1 or 4.5 must be added to your project.

开源.net HMI 框架,框架包含AB，Opc等plc驱动和免费的桌面环境控件.(Turn Visual Studio into a powerful HMI/SCADA development package by simply dragging and dropping, no coding required. DF1, Ethernet/IP for Allen Bradley PLC controllers, and many more drivers. Free)