The Simple Postcard - Text a photo to mail it as a postcard
Fizzer - Send a personalised postcard with your photos. Holiday cards, thanks, greetings, invitations, birthdays and announcements.
Felt for iPhone - Handwritten cards for the modern world
Rome2rio - Discover how to get anywhere by searching plane, train, bus, car and ferry routes.
Airheart - Search and sort through travel restrictions
Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.