FlickrDownloadr
With Downloadr, you can search, browse and batch download multiple Flickr pictures based on image tag (s), Flickr username, Groups Pools, Flickr user sets or even Interesting Flickr pictures of any particular day.
depictr
Type in some lyrics and retrieve related photos from Flickr.
Desktop Flickr Organizer for Gnome
This application allows online/offline mode management of your photos. You can upload, search and download photos, through the easy to use interface.
Dojo/Flickr Image Gallery
Ajax image gallery built on top of the Dojo Ajax Toolkit.
FlickrDown
Downloading photos from Flickr to save locally easier.
Degradr
A Firefox Greasemonkey script to replace flash representations of photos on flickr.com with the image files embedded in those flash files.