Arduino IDE - Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware...
ThingSpeak - Open source data platform for the Internet of Things. ThingSpeak Features
embedXcode - embedXcode is a template for Xcode.
Axonize - Axonize IoT platform - the smarter way to truly realize your IoT potential and create smart, scalable IoT projects to increase profitability.
PlatformIO - Next-generation IDE for IoT
Countly - Product Analytics and Innovation. Build better customer journeys.