Seem pretty popular...
"Even with the launch of the ESP32 a few years ago, the demand for ESP8266 has not abated, with so far, the sales volume in 2021 exceeding 30 million units with the ESP-01S/ ESP-07/ESP-12F/ESP-12S being the most popular ESP8266 modules."
w/ GUI Admin Client, Drag & Drop File Manager, OTA Built-In, Access Point Manager,
Performance Metrics, Web Socket Comms, App API, All running on ESP8266...
Even usable on ESP-01S --- Please check it out!
https://inqonthat.com/inqportal-the-three-line-promise/
https://InqOnThat.com/inqportal