Mail the Family - Send postcards to a group as easily as posting a tweet.
Flickr - image and video hosting website
Moo Postcards - Simple postcard printing
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Mailform Postcards - Choose any photo and send it as a postcard!
PhotoPrism.app - PhotoPrism® is an AI-Powered Photos App for the Decentralized Web. It makes use of the latest technologies to tag and find pictures automatically without getting in your way. You can run it at home, on a private server, or in the cloud.