https://github.com/nodemcu/nodemcu-firmware
https://github.com/micropython/micropython
https://github.com/letscontrolit/ESPEasy
https://github.com/arendst/Sonoff-Tasmota
https://github.com/xoseperez/espurna
https://github.com/esphome/esphome
https://github.com/jeelabs/esp-link
https://github.com/nekromant/esp8266-frankenstein
https://github.com/karawin/Ka-Radio
https://github.com/spacehuhn/esp8266_deauther
https://github.com/martin-ger/esp_wifi_repeater
https://github.com/cesanta/mongoose-os
https://github.com/scottlawsonbc/audio-reactive-led-strip
https://github.com/mdhiggins/ESP8266-HTTP-IR-Blaster