Printmaps.net - Make high-dpi maps for print applications within minutes, using the Printmaps editor. Put custom geo data such as routes or shapes onto your map, or geocode hundreds of addresses to populate your map with POIs.
Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.
YourMapp - YourMapp lets you turn your custom maps into an interactive app.
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.
Google Maps - Find local businesses, view maps and get driving directions in Google Maps.
The Simple Postcard - Text a photo to mail it as a postcard