oneM2M develops IoT standards to enable interoperable, secure, and simple-to-deploy services. Since 2012, over 200 commercial and research organizations across the world have contributed to oneM2M’s Technical Specifications for a common middleware technology. This equips IoT developers to mix-and-match connected devices, gateways, communications networks, and cloud infrastructure from different vendors. Through incremental releases, oneM2M’s standard can coherently address IoT requirements on IoT-related topics such as AI, data privacy and the industrial metaverse. oneM2M technical specifications are open, available at no charge, and internationally recognized. Being applicable across industry verticals, deployments include agriculture, industrial, smart city, transportation, and utilities sectors.