Tile - Track your lost items
Spyera - Spyera is the name of an undetectable tracking and monitoring application that offer its users the comprehensive set of tools for remote monitoring and tracking of any smartphone.
Wistiki - Locate lost items with location tags
MobiStealth - MobiStealth is the name of a most comprehensive smartphones monitoring application for monitoring and tracking the mobile phones of all types from an internet enabled computer.
Tile Sticker - The small Bluetooth tracker that sticks to anything
FlexiSPY - FlexiSPY is the original "phone spy" software - it's been on the market since 2005.