mosquitto

mosquitto org http://mosquitto.org/

mosquitto github https://github.com/eclipse/mosquitto

mosquitto man http://mosquitto.org/man/

mosquitto.h info http://mosquitto.org/api/files/mosquitto-h.html

mosquitto.conf document https://mosquitto.org/man/mosquitto-conf-5.html

tutor http://cheng-min-i-taiwan.blogspot.tw/2015/03/raspberry-pimqtt-android.html