Yandex.Images - search for images on the internet, search by image
Neveo - Neveo app features the print and delivery option of a fully customizable photo album to anywhere around the globe so you can share your memories with your family members.
TinEye - Reverse Image Search to help find an image's source, duplicates or altered versions.
Audio card by MyPostcard - Mail a 60 second audio recording in a personalized card
SauceNAO - SauceNAO is a reverse image search engine.
journi - Travel Blogging Rediscovered