1.grbl / grblAn open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight ArduinoCOther license6.3K total3.2K forks+161 starsfrom 6,154 · score 5.09
2.s00500 / ESPUIA simple web user interface library for ESP32 and ESP8266iotesp32arduinoarduino-librarywebinterfacejavascript+13 moreC++Other license1.1K total207 forks+30 starsfrom 1,104 · score 3.43
3.yoursunny / WifiEspNowESP-NOW Arduino library for ESP8266 and ESP32esp8266esp32esp-nowarduino-libraryhacktoberfestC++Other license296 total48 forks+8 starsfrom 288 · score 2.20