OPC UA Server for Databases - Integrate OPC UA & standard databases!
OPC DA and OPC UA standards: it's easy and simple
Integration Objects on Twitter: "Combine OPC Server for Modbus with OPC Easy Archiver to collect your PLC/RTU data and store them into SQL databases, Azure SQL and CSV files. OPC Server for
OPC Server Modbus - SloopTools Store
Multiprotocol Gateway for BACnet, Modbus, M-Bus and OPC for building automation | E-Controls.es