Library of digital photos created by iPhoto, an image organization application; contains all of the images that appear in your iPhoto application along with the edits that have been made to them; created whenever you add another library in iPhoto.

iPhoto is an photo organization and editing application developed by Apple. The program enables you to crop, enhance, and touch-up your images. It also makes it easy to share your photos to to social sites like Facebook, Twitter, and Flickr. NOTE: iPhoto was discontinued and replaced by Photos in 2015.