I gave it a quick look, and it does seem interesting. A good addition to the "IFTTT for [category]" crop that is popping up like mushrooms lately.
One small nitpick: When you add components, it's not very clear which are usable as triggers and which as actions. Some indication of that would be nice.
thanks for the feedback. You can click on the "i" that appears when you move your mouse over a component to get this modal view with the usable triggers and actions. http://imgur.com/EdGf9Hz
Otherwise you can click the info button on the upper right corner of settings view of every component http://imgur.com/UpAcLdk
Thanks for the info. I know about node-RED, since it's a company in the same space and with some of the same intentions as my own. Gotta know your friendly neighbourhood competitors :)
Vagrant is there for people who would like to give the Node Red / Freeboard combo a quick shot without the installation and configuration hustle. Convenience.
One small nitpick: When you add components, it's not very clear which are usable as triggers and which as actions. Some indication of that would be nice.