Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.

Spy Phone App - Spapp Monitoring is a great application that is used to monitor smartphones. Spapp Monitoring is now the new name for Spy Phone app

Zenly - Zenly is a GPS tracker to locate your friends in realtime.

Mobile Tracker Free - Mobile Tracker Free is a piece of monitoring software that installs onto your mobile device, and it allows the activity on that device and the location of that device to be easily monitored from any other location that has access to the internet thr…

OwnTracks - Cross-platform location sharing

Verity - Verity Parental Control Software makes it easy to monitor your child's computer activity, both online and off, by blocking websites, taking screenshots & more.