2016bestnine - Your best nine Instagram pics from 2016
Duotone - Convert any photo to a duotone in seconds
Lifecake - A time machine for your child's life
Dreamscope - Make and share 'deep dream' images using dozens of supplied styles or your own.
Timehop - Your digital life history
Photo + Music = Video - Photo + Music = Video (also known as Video Slideshow Editor) developed by Manas Hive.