Foursquare - Foursquare is all about helping you find new ways to explore your city.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.
ioBroker - flexible and modular application for the IoT and Smarthome
Yellow Pages - YP.com local search connects you with over 19 million local businesses.
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation