We have been using Node Red for about 2 years and it has been a great experience and example of open source. The support from the maintainers, Slack and forums

We have been using Node Red for about 2 years and it has been a great experience and example of open source. The support from the maintainers, Slack and forums has been very good. It will not apeal to everone but 1 million downloads and many thousands of contribitors cannot all be on the wrong track