FlickrEdit is a Java Desktop application for displaying and editing your photos in a variety of ways. It also allows you to download or upload your photos to and from Flickr.
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TechnoAg S3 Browser
CamScanner and Box.net
Flickr Api Explorer
AWS::S3 for Ruby
ActionScript Library for Flickr
Scripting Flickr with Python and REST
An Interesting 2005 on Flickr
MediaWiki Widgets Library
Flashr, a Flickr Wrapper in Flash
APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.