github指路：https://github.com/node-red/node-red ， 这是：Low-code programming for event-driven applications.
Node-RED is a programming tool for wiring together hardware devices, APIs and online services in new and interesting ways.
It provides a browser-based editor that makes it easy to wire together flows using the wide range of nodes in the palette that can be deployed to its runtime in a single-click.
- run locally
- on a device
- in the cloud
sudo npm install -g --unsafe-perm node-red