Open Source Framework for the Internet of Things. DeviceHive - M2M, Machine-to-Machine Communication Framework. OpenTSDB - A Distributed, Scalable Monitoring System. Internet of Things - ThingSpeak. ThingSpeak-Open Source Platform for Connected Products and Services. OpenHAB - empowering the smart home. Cdjackson/HABmin. Mango Automation. Nimbits: The Open Source Internet of Things on a Distributed Cloud. Skynet - Machine-to-machine instant messaging (M2M IM) open communications platform & API for the internet of things. Kaa Open Source IoT Platform. Sentilo.