CLI tools

opcuactl

Discover, browse, read, write, call methods, monitor, read history and export from OPC UA servers.

Protocols

OPC UA: The interoperability standard of industrial automation, with a browsable address space and built-in security.

The README on GitHub has the full feature list, examples and changelog.

OPC UA client and server: secure channels, subscriptions, events, methods and historical access.

go get github.com/otfabric/go-opcua

OPC UA reference clients and servers based on open62541 and Eclipse Milo.