Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
MEEFF - MEEFF – Make Global Friends app allows users to learn the Korean language and increase their knowledge about Korean culture by making friends from Korea and engaging in live chat with them.
ioBroker - flexible and modular application for the IoT and Smarthome
Online People-Meet New People - Online People-Meet New People app enables you to view the profile of strangers without letting them know to make new friends matching your personality and interests.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation
eChats - eChats is a social app by YBK creations that contains features to allow you to securely send text messages to your friends and family members without having to worry about any privacy threats.