Android, LineageOS, Google Home, openHAB, Ubuntu Touch, Ubports, Ubidots, Beebotte, iodéOS, The IoT Guru, /e/, ioBroker, DivestOS, Kaa, DataGekko, Plasma Mobile, Fluxtream, Replicant, thethings.iO, SMQ IoT LED Control are some alternatives to Emteria.OS.