ioBroker - flexible and modular application for the IoT and Smarthome
My Devices - Drag and drop IoT project builder for Raspberry Pi
Domoticz - Domoticz is a lightweight Home Automation System
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Nim Home Assistant (NimHA) - Nim Home Assistant is an open-source home automation platform running on Nim.
mediola IQONTROL - A Home Gadget, IoT Hub for multiple devices and vendors