Carousel from Mobelux isn't the first Instagram client for the Mac, but it is one of the most elegant. The program culls your Instagram feed and streams these images to your desktop in a gorgeous UI that resembles an old-fashioned photo album.
Three buttons along the bottom toggle your view among current favorites, your feed and your photos. On each image, you select a person's avatar to see their profile, like the image by clicking on a heart or add a comment by clicking on the word bubble. You can save images by dragging them to iPhoto or saving through the drop-down menu.
Carousel features a number of keyboard shortcuts that expands usability of the app, but you can only view p
