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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.

Home Assistant is an open-source home automation platform running on Python 3. Track and control all devices at home and automate control. Installation in less than a minute.

Jeedom is a complete home-automation software. With Jeedom, you can do many things, such as :- Manage the safety of goods and people,- Automate heating for better comfort and energy savings,- View and manage energy use to anticipate expenses and reduce use,- Communicate by voice, SMS, e-mail or mobile applications,- Manage all of the home’s automatic devices: shutters, gate, lights, etc...- Manage multimedia audio and video devices, and connected objects.- Runs on Raspberry PI and various alternative boards. »

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.

A small GUI for accessing Philips HUE Lamps under any Windows environment.

Domogik is a free (GPLv3) Home Automation solution.

HomeGenie, Home Automaton Server in the Internet Of Things era

FHEM (TM) is a GPL'd perl server for house automation. It is used to automate some common tasks in the household like switching lamps / shutters / heating / etc. and to log events like temperature / humidity / power consumption.

Stringify is an award-winning IoT (Internet of Things) platform that lets you easily create powerful Flows to automate your home, wearable devices and network services. Easily create and add powerful Flows that automate your work and life.

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.