ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Google Home - Set up, manage, and control your Chromecast, Chromecast Audio and Google Home devices.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.
ioBroker - flexible and modular application for the IoT and Smarthome