The Tapo H100 Smart Hub with Chime works with Tapo contact and motion sensors. It’s cheap, but it's not the brains for a full smart home system.
Energia Smart Home Store - Tapo P100 Mini Smart Wi-Fi Plug
TP-Link Tapo H100 Tapo Smart IoT Hub
Tapo C200, Pan/Tilt Home Security Wi-Fi Camera
Tapo H100, Smart Hub with Chime
TP-Link Tapo Smart IoT Hub & Contact Sensor Start-up kit
TP-Link's Tapo brand adds a hub to its smart home offerings
TP-Link - WarmZilla®
TP-LINK TAPO-C420S1 2k Smart Wire-Free Security Camera w/Hub at
Tapo 2K Indoor Security Camera, Dog Camera,Baby Monitor, Motion