I made IoT using cheap (arduino, nrf24l01+, sensors/actuators) for local device telemetry, MQTT, node-red, and Tor for connecting clouds of endpoints that aren't local.
Long story short, its an IoT that is secure, consisting of a cloud of devices only you own.
https://hackaday.io/project/12985-multisite-homeofficehacker...
I made IoT using cheap (arduino, nrf24l01+, sensors/actuators) for local device telemetry, MQTT, node-red, and Tor for connecting clouds of endpoints that aren't local.
Long story short, its an IoT that is secure, consisting of a cloud of devices only you own.
Oh yeah, and GPL3 to boot.