The Simple Postcard - Text a photo to mail it as a postcard
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.
Momentum - Agile goal and performance management
NanaGram - Text your photos and we'll mail 4x6 prints to your Nana.
RealMailers - Send geo-targeted direct mail to 110M+ homes in the US
Send Mail Get Mail - A postcard-sending website.