Apple iPhoto is an application included in iLife package and is one of the most popular photo organizers for Mac users.
You can add your personal pictures and organize them in albums, create slideshows, view images in slideshow.
Is able to group automatically images, you can tag faces or people on images, or assign a location. later, you can search or sort all your pictures by all these criteria.
It has editing features that enable to add filters and effects, remove red eye effect and blemishes. It has one click buttons to correct all colors, make image black and white and more. Also, you can share pictures directly to social networks such as Facebook, Flickr, Twitter.