One commercial alternative to Node-Red is ThingWorx, a PTC product. However we did some internal testing with ThingWorx and I would absolutely not recommend it.

One commercial alternative to Node-Red is ThingWorx, a PTC product. However we did some internal testing with ThingWorx and I would absolutely not recommend it. The web portal for creating your dashboards also gets gradually slower (massive web leaking SPA), and the platform is generally flakey.