Android - Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
CalyxOS - Privacy-focused operating system for smartphones based on Android and microG
OwnTracks - Cross-platform location sharing
Sailfish OS - At the heart of Jolla is Sailfish OS, the independent mobile operating system offering an alternative to the existing dominant systems. Sailfish OS is the perfect solution for country ecosystem and corporate mobile projects, or for consumer devices.
Mapple.me - Mapple.me bridges the gap between available time and availability of friends to increase social...