Node-RED, Google Home, SmartThings, Mi Home, openHAB, SiteWhere.io, Atman IoT, Loxone Smart Home, Yeti Smart Home, Android Things, ioBroker, OPC Router, ImperiHome, Scrypted, DataGekko, Gideon Smart Home, EVA ICS, iRidium Pro, Netbeast, Kaleidoscope IoT are some alternatives to AWS IoT.