Tile - Track your lost items
Prey - Prey is the simplest and most reliable solution for tracking, data protection & management for Windows, Mac, and mobile devices. Track with precise location, wipe, reset and secure devices across all platforms.
Tile Sticker - The small Bluetooth tracker that sticks to anything
Android Lost - Remotely control your Android phone from the internet or by SMS. Features:
Clap To Find My Phone - Clap To Find My Phone is a free-to-use app through which you can precisely discover your cell phones and tablets just by clapping.
iLostFinder - iLostFinder is an anti-theft/lost app for iPhone and iPad.