Assembly Line

Opcua

OPC Unified Architecture (OPC UA) in Go.

Opcua is an open-source industrial connectivity project on GitHub under the MIT license (permissive), with 112 stars. It is built with Go. Its last push was 9 months ago.

Stars
112
License
MIT
Activity
Slowing
Latest release
v1.4.0

Code on GitHub

Judgement

What it is
Building block
What it does
A Go OPC UA package with both client and server, supporting secure channels and binary encoding.
Adopt it when
You need an OPC UA server, not just a client, in Go.
Watch out
Maintained mainly by one developer.
Ready for
Usable
Runs as
Library
Built with
Go
How established
Established: started 6 years ago, latest release v1.4.0.
What the license allows
You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Opcua → Go → runs on a microchip

How compilers were built, back to punched paper tape

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Stars, license and activity come from GitHub and refresh on a rolling hourly schedule. The project's own description is quoted as written.