Beckhoff TwinCAT ADS client library for Node.js (unofficial). Connect to a Beckhoff TwinCAT automation system using the ADS protocol from a Node.js app.
ioBroker Beckoff Adapter to communicate with a Beckhoff PLC
Beckhoff TwinCAT ADS client library for Node-RED (unofficial). Connects to Beckhoff TwinCAT automation systems using ADS protocol.