Yandex.Images - search for images on the internet, search by image
Momatu - Momatu – Moments that matter app features sharing of family photos and videos, so users can give access to the album to all their family members by uploading them on the map and providing access to their family members.
TinEye - Reverse Image Search to help find an image's source, duplicates or altered versions.
journi - Travel Blogging Rediscovered
SauceNAO - SauceNAO is a reverse image search engine.
Audio card by MyPostcard - Mail a 60 second audio recording in a personalized card