There are hundreds of software, hardware, and connectivity technologies that are relevant for IoT-type projects.
As part of the "State of the IoT — Summer 2019 Update," the analyst team at IoT Analytics handpicked 43 of the most promising technologies that are relevant to IoT projects around the globe. The team ranked the IoT technologies according to their perceived maturity (based on expert interviews, vendor briefings, secondary research, and conference attendances).