Sense 3D Scanner - Simple, low-cost handheld scanner, mostly meant to be used for faster scans that don't need a high level of detail. The handheld nature of the scanner allows for easy scanning of both small and large targets, including people.
Cryptgeon - Securely share self-destructing notes
Artec Eva - The Artec Eva is a high-end professional-quality 3D scanner. Industrial-class scanners can be even more expensive, but the Eva is one of the best options below the $50,000 mark.
BURN.link - Send secure, encrypted, self-destructing messages
Artec Space Spider - This is one of the most precise handheld 3D scanners available on the market.
1ty.me - If you need to send a password or some other form of simple but sensitive information to someone...