Handwriting.io - Real handwriting without the pen – no robots, all software
Bragi - Wireless, H2O resistant, noise-canceling in-ear tracker.
Apple - Available on iOS
Felt for iPhone - Handwritten cards for the modern world
DJI Fly - DJI Fly is an app that provides you an intuitive interface and helps you to discover GEO zones and scenic flight locations nearby you effortlessly.
Postable - The easy, new way to write and mail cards