This are the Windows 64 Bit versions, the Linux PC 64 Bit versions, 32 and 64 Bit programs for the Raspberry PI and some more.
All variants of the OPC Server, OPC test clients and the toolkit libraries.
All variants of the PLC Engine, OPC test clients and the toolkit libraries.
PLC Engine Collect
A full flagged historian. It can log into memory and files. It can be used once for multiple running OPC servers.
All for configuring the PLC Engine Collect and the OPC servers. Separate programs for importing PLC symbols are here, too. The expandable wizard lies here also.
Software, descriptions and examples for the open web interface.
Seldom an older version of a software will be needed. Often this is for older operating systems which will not be supported anymore.