ThingSpeak - Open source data platform for the Internet of Things. ThingSpeak Features
AWS IoT - Easily and securely connect devices to the cloud.
AWS IoT Analytics - IoT Management
Blynk.io - We make internet of things simple
Countly - Product Analytics and Innovation. Build better customer journeys.
Azure IoT Central - Build and manage enterprise IoT solutions with Azure IoT Central, an end-to-end application platform to quickly connect millions of devices.