Repositories list

• umatiGateway

  Public
  umatiGateway - Connecting OPC UA servers with an MQTT broker utilising JSON messages

  mqttjsonopcua+ 1

  mqttjsonopcuaopcua-gateway

  C#

  •

  Apache License 2.0

  •44 forks•66 stars•4646 issues•88 pull requests•Updated Jun 19, 2026Jun 19, 2026

• Sample-Server

  Public
  [MIRROR] Sample-Server implementation based on open62541, showcases umati endorsed OPC UA companion specifications. Provides a :whale2: :package: to run locally…

  roboticsdocker-imageopcua+ 9

  roboticsdocker-imageopcuavdwopen62541opcua-servervdmacompanion-specificationumatimachine-tools+ 2

  C++

  •

  Mozilla Public License 2.0

  •1717 forks•6161 stars•1515 issues•00 pull requests•Updated Jun 19, 2026Jun 19, 2026

• UA-CloudPublisher

  Public
  umati-fork of OPC UA cloud publisher --- reference implementation leveraging OPC UA PubSub over MQTT. It runs in a Docker container on standard Docker hosts or …

  mqttjsonpubsub+ 5

  mqttjsonpubsubindustrial-automationopc-uaopcuaiiot-gatewayindustrial-iot

  C#

  •

  Other

  •1313 forks•00 stars•1212 issues•66 pull requests•Updated Jun 19, 2026Jun 19, 2026

• hackathon

  Public
  C#

  •

  MIT License

  •1010 forks•33 stars•11 issue•77 pull requests•Updated Jun 19, 2026Jun 19, 2026

• Sample-Server-asyncio

  Public
  [MIRROR] Please open issues at the primary location linked below. OPC UA Sample Server based on FreeOpcUa/opcua-asyncio. Showcasing how to implement companion s…

  opcuaopcua-serveropcua-asyncio

  opcuaopcua-serveropcua-asyncio

  Python

  •

  Apache License 2.0

  •1010 forks•1313 stars•22 issues•11 pull request•Updated Jun 18, 2026Jun 18, 2026

• UA-for-Industrial-Joining-Technologies

  Public
  The purpose of the IJT group is to define data models and data access standards for various joining techniques such as Tightening, Gluing, Riveting, Flow Drill …

  C#

  •

  Apache License 2.0

  •33 forks•66 stars•11 issue•22 pull requests•Updated Jun 18, 2026Jun 18, 2026

• Sample-Server-node-opcua

  Public
  OPC UA Sample Server based on node-opcua. Showcasing how to implement companion specifications.

  TypeScript

  •

  Apache License 2.0

  •1919 forks•2020 stars•00 issues•00 pull requests•Updated Jun 15, 2026Jun 15, 2026

• connect

  Public
  [MIRROR] umatiConnect - Bidirectional data bridge between umati OPC UA for Machine Tools (UA4MT) and MTConnect.

  mtconnectopcuaumati+ 1

  mtconnectopcuaumatiua4mt

  C#

  •

  Apache License 2.0

  •00 forks•33 stars•00 issues•00 pull requests•Updated Jun 15, 2026Jun 15, 2026

• opcua-tutorial

  Public
  Python

  •44 forks•66 stars•00 issues•44 pull requests•Updated Jun 13, 2026Jun 13, 2026

• opcua-machinery-client

  Public
  TypeScript

  •

  MIT License

  •11 fork•00 stars•11 issue•11 pull request•Updated Jun 11, 2026Jun 11, 2026

• awesome-opcua

  Public
  Creative Commons Zero v1.0 Universal

  •4141 forks•99 stars•00 issues•00 pull requests•Updated May 11, 2026May 11, 2026

• Showcase

  Public
  umati Showcase Specification

  dashboardshowcasevirtual+ 3

  dashboardshowcasevirtualshowcase-websiteumatiumati-showcase

  SCSS

  •

  Creative Commons Attribution Share Alike 4.0 International

  •77 forks•1212 stars•55 issues•11 pull request•Updated Apr 22, 2026Apr 22, 2026

• .github

  Public
  00 forks•00 stars•00 issues•00 pull requests•Updated Mar 19, 2026Mar 19, 2026

• open62541pp

  Public
  C++ wrapper of the open62541 OPC UA library

  C++

  •

  Mozilla Public License 2.0

  •6969 forks•00 stars•00 issues•00 pull requests•Updated Nov 25, 2025Nov 25, 2025

• open62541

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

  C

  •

  Mozilla Public License 2.0

  •1.4k1.4k forks•00 stars•00 issues•00 pull requests•Updated Nov 25, 2025Nov 25, 2025

• milo

  Public
  Eclipse Milo™ - an open source implementation of OPC UA (IEC 62541).

  Java

  •

  Eclipse Public License 2.0

  •474474 forks•22 stars•11 issue•1313 pull requests•Updated Nov 25, 2025Nov 25, 2025

• Dashboard-OPCUA-Client

  Public archive
  [Archived] OPC UA gateway based on open62541 to subscribe to servers implementing umati endorsed companion specification and publish via MQTT to the broker for …

  mqttcppgateway+ 3

  mqttcppgatewayopcuaopen62541umati

  C++

  •

  Mozilla Public License 2.0

  •1010 forks•2323 stars•00 issues•00 pull requests•Updated Jul 4, 2025Jul 4, 2025

• open62541Cpp

  Public
  C++

  •

  Mozilla Public License 2.0

  •55 forks•33 stars•00 issues•00 pull requests•Updated May 6, 2025May 6, 2025

• UA-CloudViewer

  Public
  A tool to manage OPC UA information models ("industrial digital twins"). UA Cloud Viewer is a tool used in Industrial IoT scenarios to bridge the gap from OT to…

  JavaScript

  •

  MIT License

  •66 forks•00 stars•00 issues•00 pull requests•Updated Feb 11, 2025Feb 11, 2025

• umati-OPC-UA-Demo

  Public
  Dockerfile

  •11 fork•00 stars•00 issues•00 pull requests•Updated Jan 23, 2025Jan 23, 2025

• create-react-app

  Public archive
  [ARCHIVED] umati version of create-react-app

  react

  react

  JavaScript

  •

  MIT License

  •27k27k forks•00 stars•00 issues•00 pull requests•Updated Dec 11, 2024Dec 11, 2024

• UA-for-MachineTools

  Public
  Issue tracking repo for OPC 40501 series companion specification

  issue-tracker

  issue-tracker

  MIT License

  •11 fork•22 stars•2424 issues•00 pull requests•Updated Dec 9, 2024Dec 9, 2024

• opcua_browser

  Public
  An OPC UA browser for Android and iOS based on Qt Quick and Qt OPC UA

  C++

  •

  GNU General Public License v3.0

  •11 fork•00 stars•00 issues•00 pull requests•Updated Sep 4, 2024Sep 4, 2024

• OPCUA2AAS

  Public archive
  ARCHIVED: OPC UA Server that can generate an Industry 4.0 Asset Admin Shell from its info model

  C#

  •

  MIT License

  •22 forks•00 stars•00 issues•00 pull requests•Updated Mar 25, 2024Mar 25, 2024

• discussions

  Public
  MIT License

  •00 forks•00 stars•00 issues•00 pull requests•Updated Feb 10, 2023Feb 10, 2023

• TransformationEngineApi

  Public
  Public documentation of the umati Transformation Engine API

  apitransformation-scriptumati

  apitransformation-scriptumati

  HTML

  •

  Apache License 2.0

  •00 forks•33 stars•00 issues•00 pull requests•Updated Nov 29, 2021Nov 29, 2021