Griddy Home Automation - Automate smart devices based on electricity grid prices
My Devices - Drag and drop IoT project builder for Raspberry Pi
MapChat - Simple location-based chat web app
Nim Home Assistant (NimHA) - Nim Home Assistant is an open-source home automation platform running on Nim.
Reality Editor - MIT's new app lets you program any object
ioBroker - flexible and modular application for the IoT and Smarthome