Flickr Backup is a Java application that allows you do download your photos and back them up to your harddrive or to media. This is useful if your local harddrive goes bad and you don't have a current backup.
1001 is a desktop client to be used in conjunction with Flickr, 1001 not only uploads photos to your Flickr account, it notifies you anytime new photos from contacts, tags, anyone, everyone are uploaded.