StickNFind - Electronics
Tile - Track your lost items
Tile Sticker - The small Bluetooth tracker that sticks to anything
Protag Duet - Losing a phone is much like losing your life: contact lists, emails, calendars, Instagram, private photos… you name it.
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.
Sniffer - Bluetooth devices tracker