Espurna

Supports over 100 ESP8266-based devices like Sonoff, Shelly, and Arilux, with detailed wiki pages and preset configurations, as shown in the 'Supported hardware' section with images and links.

Integrates seamlessly with MQTT, REST, Home Assistant, Alexa, and Domoticz, enabling flexible IoT setups without vendor lock-in, as highlighted in the 'Features' list.

Includes a scheduler and RPN rules engine for creating complex automations directly on the device, reducing cloud dependency and enabling offline operation.

Compatible with a wide range of sensors from environmental to power monitoring, listed in detail under 'Features,' including DHT series, BMP/BME sensors, and CO2 detectors.

Offers a responsive web UI for configuration, relay control, sensor monitoring, and OTA updates, with websockets for real-time communication, as noted in the HTTP server features.