Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Home-Assistant.io - Home Assistant is an open-source home automation platform running on Python 3.
Mapple.me - Mapple.me bridges the gap between available time and availability of friends to increase social...
ioBroker - flexible and modular application for the IoT and Smarthome
OwnTracks - Cross-platform location sharing
openHAB - "empowering the smart home" - vendor and technology agnostic open source home automation