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openHAB is a Java-based open-source home automation platform that integrates and combines a vast range of different smart home systems and technologies into one single solution.On top of the unified abstraction layer all connected devices are available for the overarching automation rule engines and different user interfaces.

Formerly known as Google Cast, Home provides a control center to setup, manage and control Chromecast, and Google Home devices.

ioBroker is an integration platform for the Internet of Things, focused on Building Automation, Smart Metering, Ambient Assisted Living, Process Automation, Visualization and Data Logging. It aims to be a possible replacement or extension for software like f.e. fhem, OpenHAB or the thing system by the end of 2015. ioBroker is the successor of CCU.IO, a project quite popular in the german HomeMatic community.

Create a smart home using your smartphone. Offering security, peace of mind, savings, and limitless possibilities, SmartThings lets you monitor and control your home from the palm of your hand.

Formerly known as Project Brillo, Android Things is Google's IoT (Internet of Things) platform to build connected devices for a wide variety of consumer, retail, and industrial applications.

HomeKit is a framework in iOS 8 for communicating with and controlling connected accessories in a user’s home. You can enable users to discover HomeKit accessories in their home and configure them, or you can create actions to control those devices. Users can group actions together and trigger them using Siri.

Yeti Smart Home connects your favourite smart home devices, regardless of their brand and technology, and allows you to control and automate them all from the same app.

A connected home app that gives you full control of all your smart devices. From entertainment systems to security, heating and lighting, Gideon Smart Home is working with the leading manufacturers of Smart Home devices to simplify your home connectivity into one app.

ImperiHome provides a single, highly customizable interface for controlling your home automation systems.

Control everything in your home with the Loxone Smart Home App. Whether you want to switch off the lights from the comfort of your bed, or check on your home while you’re away on vacation, the App offers convenient, reliable home control that’s simple to use.