Valid concern! JS is not your traditional choice for embedded systems, but in many ways, it&#x27;s becoming (is, I think) &quot;good enough&quot;.<p>- JS can achieve some serious speed with the enormous amount of work and JIT smarts that have gone into the various JS engines.<p>- Size&#x2F;memory constaints on embedded devices are only going to get looser, and I think the kind of IoT devices that the FFOS is targeting are the type to have more than a simple microcontroller<p>- I&#x27;m not sure what you meant by toolkits out there for fridges... Do you mean the OSes that run on the smart-fridges? If so, in my other comment I noted how FFOS&#x27;s web-apps-are-apps approach is fantastic -- exposing a simple, unified, easy to use javascript API is an extremely easy way for people to write webapps that target things like fridges, without having to learn some random new platform.