A talk by Ignat Ignatov about full circle of IoT project creation (cloud, site, HW, SW, etc.).
JS app for VS or Raspberry Pi and Arduino: http://nodered.org/
Using cloud service with IP for free: https://cloud.lab.fi-ware.org/
Ripple server: https://github.com/Ignat99/noolite-micropay
Noolite drivers: https://github.com/Ignat99/noolite
Python how to use MQTT