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.
IP-Symcon - IP-Symcon is the innovative centre of your entire building automation!
Domoticz - Domoticz is a lightweight Home Automation System
My Devices - Drag and drop IoT project builder for Raspberry Pi
Home - Securely control all your HomeKit accessories from your favorite iOS device.