Home Assistant - a free software, self-hosted home hub, provides a centralised dashboard along with all the necessary services to control all your wireless switches in one place. What's more - you can also run other essential services such a ad-blockers, monitoring tools and rules engines to further automate, monitor and control your home privately and securely. No mandatory Internet connection, no tracking, no malware or spyware or data leaks. You remain firmly in control and in power. Its not optional.