node-opcua
==========

an implementation of a OPC UA stack fully written in javascript and nodejs

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



# Documentation

"NodeOPCUA by Example" (https://leanpub.com/node-opcuabyexample-edition2022) 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) 2022-2023 Sterfive SAS - https://www.sterfive.com

Copyright (c) 2014-2022 Etienne Rossignon