Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.
Bragi - Wireless, H2O resistant, noise-canceling in-ear tracker.
Mailjoy - Delightfully easy direct mail marketing. A DIY direct mail tool created for marketing and growth teams. Design, mail & track personalized direct mail postcards and letters. Digital marketers use Mailjoy to send data-driven mail campaigns.
Apple - Available on iOS
The Simple Postcard - Text a photo to mail it as a postcard
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.