What is Ristretto?
The Ristretto Image Viewer is an application that can be used to view, and scroll through images.
It can be used to run a slideshow of images, open images with other applications like an image-editor or configure an image as the desktop wallpaper.
Comments and Reviews
Said about Ristretto as an alternative
Real clean and resources efficient (thik: fast) image viewer. Automatically localized (French) here.