C, C++
RTLinux, RIOT, FreeRTOS, VxWorks, Windows IoT, Android Things, embOS, ThreadX, Nucleus RTOS
MQTT, CoAP, REST, AMQP, WebSocket, TCP/IP, Bluetooth, BLE, WiFi, GPRS, NFC, Zigbee, CAN/CANopen, iBeacon, Z-Wave, HTTP/HTPPS, XMPP
Amazon Web Services, IBM Watson IoT platform, Microsoft Azure IoT Hub, Google Cloud IoT, Oracle IoT Cloud Service, SAP IoT Platform, Cisco IoT
Java, .NET, Qt, PHP, Python, Objective-C, Swift, Go , Rust, Node.js, React