Shotwell is a personal photo manager.
- Import from disk or camera
- Organize by time-based Events, Tags (keywords), Folders, and more
- View your photos in full-window or fullscreen mode
- Crop, rotate, color adjust, straighten, and enhance photos
- Video and RAW photo support
- Share to major Web services, including Facebook, Flickr, Tumblr and YouTube
After testing multiple photo album programs, Shotwell seems to be by far the best: easy to use, intuitive, fast, modern.