Strapi - Strapi is the most advanced Node.
FHEM - FHEM (TM) is a GPL'd perl server for house automation.
Contentful - You don't need another CMS. You need a better way to manage content — unified, structured, and ready to deploy to any digital channel.
Conrad Connect - Service for managing smart home devices
Prismic - prismic.io is a web software you can use to manage content in any kind of website or app. API-driven.
Homebridge.io - Homebridge is a lightweight NodeJS server you can run on your network that emulates the iOS HomeKit...