FHEM - FHEM (TM) is a GPL'd perl server for house automation.
Kambo - Kambo is an all in one data-driven energy management system software that comes with the automated functions to minimize the power loss and making things to be done remotely.
pimatic - Home automation framework that runs on node.js.
Crestron - Crestron is one of the leading innovative development platforms that provide you ultimate control and automation systems for the home, campus, or offices.
Homebridge.io - Homebridge is a lightweight NodeJS server you can run on your network that emulates the iOS HomeKit...
Guardian Energy Management - Guardian Energy Management is a platform that benefits you with the energy-efficient software products and services to lower, contain, and control utility expenditures.