Reality Editor - MIT's new app lets you program any object
My Devices - Drag and drop IoT project builder for Raspberry Pi
PlatformIO - Next-generation IDE for IoT
ioBroker - flexible and modular application for the IoT and Smarthome
Nim Home Assistant (NimHA) - Nim Home Assistant is an open-source home automation platform running on Nim.
Losant IoT Platform - Build and visualize real-time IoT solutions with ease.