OwnTracks - Cross-platform location sharing
Moderamic - Improve focus & productivity ~plan, time tasks, blocks sites
someday - take it one day at a time
Voo Plan for iMessage - Plan and meet with friends fast via iMessage.
Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
GPSWOX Family Locator - GPSWOX Family Locator is a multipurpose location tracking and finding application for the smartphones and tablets of the leading mobile operating systems.