# node-opcua-client

an implementation of an OPC UA stack fully written in javascript and NodeJS

see http://node-opcua.github.io/

# Documentation

"NodeOPCUA by Example" (https://leanpub.com/node-opcuabyexample-edition2024) provides a good starting point to understand and start using node-opcua.

More advanced interactive material & documentation is made available online for Registered members of the NodeOPCUA Subscription. Please visit https://support.sterfive.com to apply or contact Sterfive.

## Sponsors & Backers

We appreciate that, once you have evaluated the software you consider supporting our effort by applying to our sponsor program:

-   https://github.com/sponsors/node-opcua
-   https://opencollective.com/node-opcua

Grants ensure the following:

-   🔨 Long-term maintenance of the project
-   ⚙️ maintain the website and continuous integration platform
-   🛣 Progress on the road map
-   🐛 Quick responses to bug reports
-   🚀 New features & enhancements
-   ⚖️ representing the node-opcua user community at the OPC Foundation

# Support

Technical Support is exclusively provided to registered members of the NodeOPCUA Subscription (https://support.sterfive.com) or through dedicated Professional Services.

# License

Node-OPCUA is made available to you under the MIT open-source license.

See [LICENSE](./LICENSE) for details.

# value-added extensions

Contact Sterfive SAS (mailto:contact@sterfive.com) for additional companion modules that are available to registered members:

-   node-opcua-pub-sub : Part 14 implementation to develop OPC UA PubSub over MQTT applications
-   node-opcua-webproxy: to operate node-opcua from within a web browser
-   node-opcua-optimized-client: super-charge OPC UA Client
-   react-components: a collection of React UI components
-   aggregator: a powerful OPC UA aggregator that can combine and monitored hundred of servers and millions of variables.
-   node-opcua-gds: a Global Discovery Server (Part 12)
-   node-opcua-modeler-ex: a powerful NO-GUI OPC UA modeler

# Copyright

-   Copyright (c) 2022-2024 Sterfive SAS - https://www.sterfive.com
-   Copyright (c) 2014-2022 Etienne Rossignon