Azure IoT Hub - Manage billions of IoT devices with Azure IoT Hub, a cloud platform that lets you easily connect, monitor, provision, and configure IoT devices.
Cisco IoT Cloud Connect - Cisco IoT offers a complete solution for mobile operators to provide exceptional IoT experiences.
ThingSpeak - Open source data platform for the Internet of Things. ThingSpeak Features
Antares.id - Reliable IoT Platform
Blynk.io - We make internet of things simple
AWS IoT - Easily and securely connect devices to the cloud.