This document discusses various domain-specific Internet of Things (IoT) applications. It outlines IoT applications for homes, cities, the environment, energy systems, retail, logistics, industry, agriculture, and health and lifestyle. It then provides more details on specific IoT applications for homes (smart lighting, smart appliances, intrusion detection, smoke/gas detectors), cities (smart parking, smart road lighting, smart roads, structural health monitoring, surveillance, emergency response) and the environment (weather monitoring, air pollution monitoring, noise pollution monitoring, forest fire detection, river flood detection).