API for Samsung SmartThings Smart Home Hub products (ZigBee, Z-Wave, IP).

API to make realtime applications with variety of hardware devices including Arduino, RPi, Kinoma, Atmel, Samsung Smart TV WebOS, and more.

Open Source Internet of Things Cloud Platform. Microservices Architecture. For Developers.

API to manage Particle devices (including their own Arduino-compatible ones and the Raspberry Pi) and control them. Free for up to 25 devices and 250k events/month.