ioBroker - flexible and modular application for the IoT and Smarthome
Swann Security - Swann Security is a fully integrated app for monitoring and controlling every aspect of Swann security cameras and surveillance systems.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Domoticz - Domoticz is a lightweight Home Automation System
EseeCloud - EseeCloud is a powerful mobile video surveillance app that lets you keep an eye on your property from anywhere in the world.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation