EcoGrow is a colorful agricultural WordPress Theme. It is perfectly suitable for natural food related websites, such as agricultural business, healthy food blog, gastro tourism or healthy food shop.
Demo: https://themeforest.net/item/ecogrow-vertical-farming-green-technologies-wordpress-theme/49855878
Smart Casa is a stylish & clean Smart House WordPress Theme. It is designed to serve a fresh website of smart home technologies and solutions, home automation services, home security monitoring.
Sj SmartHome is a clean and flexible Joomla smart home template suitable for a wide variety of websites.
Demo: https://www.smartaddons.com/joomla-templates/sj-smarthome-smart-home-automation-technologies-joomla-template