Picasa is Google's photo organizer. It makes it easy to find, edit, and share digital photos. It automatically locates and remembers all pictures and sorts them into visual albums organized by date with recognizable folder names. You can drag and drop to arrange albums and make labels to create new groups. This Linux version mostly has the same features as the Windows version, and is based on a modified version of Wine.
F-Spot is a personal photo management application for the GNOME desktop. It simplifies digital photography by providing intuitive tools to help you share, touch-up, find, and organize your images. These tools include editing, color adjustments, tags, Photo CD creation, and exporting for upload.