2016bestnine - Your best nine Instagram pics from 2016
Layout by Instagram - Combine multiple photos into a single image
Photo Map - High performance Android app to keep track of your photos on the map.
Top Nine 2017 - Creates a collage of your top 9 Instagram posts for 2017
Timehop - Your digital life history
Likecreeper - Randomly hit like on a friend's horrifyingly old Instagram