Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
LView - LView is a video monitoring software for DVR and IPC, developed in the market by Zhubo Inc.
ioBroker - flexible and modular application for the IoT and Smarthome
iCSee - iCSee is a robust and easy-to-use security software through which you can monitor your places such as homes, offices, shops, garages, workshops, and other physical networks.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
IP Cam Soft - IP Cam Soft is a fine tool developed in the market by IPCamSoft.