Free and open (as much as possible) integrated SDK for ESP8266/ESP8285 chips
Why do you think that https://github.com/jcmvbkbc/crosstool-NG is a good alternative to esp-open-sdk
Free and open (as much as possible) integrated SDK for ESP8266/ESP8285 chips
Why do you think that https://github.com/jcmvbkbc/crosstool-NG is a good alternative to esp-open-sdk