PINGTAG - The emergency contact QR tags for your car and personal items
Tile - Track your lost items
AirTag - Apple's answer to Tile, for finding your devices
FoundIt! - Keep your things safe with self-printed QR codes
Wistiki - Locate lost items with location tags
SeQR Contact - Keep your privacy secure and ensure your property stays out of the lost and found with SeQR Contact labels, tags, and stickers