If you're looking for another option besides QuickSet, MiOS could be a good option. MiOS is a cloud-based and edge-operating platform that offers a broad foundation for connecting electronic devices, letting you connect, automate and visualize a wide range of electronic applications and services. It can be used for smart home automation and custom plugin development with no programming required, and offers a free version to get started.
Another option is Lantronix, which offers a more mature IoT platform for connecting, managing and analyzing IoT devices across a range of markets. Lantronix offers secure turnkey solutions, including software services, embedded IoT modules and centralized management tools. It can be used in a variety of markets, including transportation and smart cities, and can be customized to meet specific business needs.