ThingSpeak - Open source data platform for the Internet of Things. ThingSpeak Features
Vesta Control Panel - – What I love about Vesta is that it's fast and easy to use
AWS IoT Analytics - IoT Management
Control Web Panel - (Former CentOS Web Panel) Free & PRO Linux Web Hosting Control Panel
Blynk.io - We make internet of things simple
Hepsia - Hepsia is probably the most advanced web hosting control panel for managing multiple domains and hosting related issues.