I first heard about LwIP when I worked with the ESP32. Espressiv seems to maintain its own fork with some ESP-specific patches: https://github.com/espressif/esp

I first heard about LwIP when I worked with the ESP32. Espressiv seems to maintain its own fork with some ESP-specific patches: https://github.com/espressif/esp-lwip https://github.com/espressif/esp-lwip