open62541

Open source implementation of OPC UA (OPC Unified Architecture) aka IEC 62541 licensed under Mozilla Public License v2.0 (by open62541)

Open62541 Alternatives

Similar projects and alternatives to open62541

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better open62541 alternative or higher similarity.

open62541 reviews and mentions

Posts with mentions or reviews of open62541. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-03-09.
  • What Cannot Be Skipped About the Skiplist: A Survey of Skiplists and Their Appl
    3 projects | news.ycombinator.com | 9 Mar 2024
    Zip trees are great!

    For a project I made a version that uses the memory location of the entries to construct the (random) rank on the fly.

    So it’s a binary tree structure that requires the same memory as a linked list (two pointers) only!

    https://github.com/open62541/open62541/blob/master/deps/zipt...

  • Apache PLC4X announcing end of community support due to missing funding
    5 projects | news.ycombinator.com | 12 Jan 2022
    There's quite a bit of OPC UA bashing across this project. So let me chime in to keep the "balance in the universe".

    OPC UA is a protocol to interact with an object-oriented information model. Basically CORBA done right to use object-oriented principles and reuse software components in industrial automation.

    Since OPC UA is a protocol, its performance depends mostly on the implementation. Some PLCs may be crappy. But that doesn't translate into bad performance overall. My experience goes to the exact contrary.

    Full disclosure, I lead-develop and maintain an open source OPC UA implementation that sees quite a bit of use by the big guys in the automation domain. We use C for performance. And we do have funding from the industry.

    https://github.com/open62541/open62541

    But yes, it is hard to break into this world. Especially since solutions have to be maintained for 20+ years. A solo developer usually cannot ensure that this will still be usable some years down the line.

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1 day ago
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