Allow you to import photos from your camera, view and edit them, and share them.
EditBy: Shotwell is a new open source Photo Organizer designed for the GNOME desktop environment. It allows you to import photos from your camera, view and edit them, and share them with others.

features:
import photos from any digital camera supported by gPhoto
automatically organize events containing photos taken at the same time
non-destructive editing allows altering photos without ruining originals or using disk space for each copy
one-click auto-enhancement
rotate, mirror, and crop photos
reduce red-Eye and adjust the Exposure, saturation, tint, and temperature of your photos
export photos as they are or by specifying dimensions and JPEG quality to reduce size
edit any photo, even if its not imported to the Shotwell library you can free download Shotwell 0.4.1 now.