Node Red

bash <(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered)
You can now start Node-RED with the command  node-red-start
  or using the icon under   Menu / Programming / Node-RED
Then point your browser to localhost:1880 or http://{your_pi_ip-address}:1880

Started :  Mon 24 Jan 2022 09:19:49 PM UTC
Finished:  Mon 24 Jan 2022 09:22:54 PM UTC

You may want to run   node-red admin init