Flickr

• Bulkr  - Cross-platform solution for making backups for Flickr pictures and downloading full albums or sets in four different sizes.
• Flickr  - Offers a free account to allow users to store, search, sort and share personal photos.
• Flickr and Share  - Free web service that simplifies the task of sharing Flickr sets with friends.
• Flickr RSS Feed Generator  - Creates Flickr RSS feeds based on tags, tag mode, and sorting order. Also provides options for sorting images according to date and relevance.
• Flickroom  - Application that provides additional functions for the Flickr service. Enables users to post Flickr photos to Facebook and Twitter, browse streams and sets, upload photos in a drag-and-drop interface, quickly edit and manage photos, and chat with other users.
• FlickrSync  - Freeware Flickr photo synchronization application. Updates contents on Flickr to match content stored locally.
• Godzilla  - Enables the uploading of images to Flickr using an iPhone through the Tweetie app.
• iMapFlickr  - Web application for creating custom Google Maps from geotagged Flickr images for sharing on social networks or for embedding on sites or blogs.
• PhotoSync  - Simplifies the task of transferring and synchronizing Flickr photos to Facebook. Automatically adds photos to matching albums.
• Picsviewr  - Web service for sharing Flickr photos in interesting slide shows with modifiable templates.
• PictoBrowser  - Shares Flickr as well as Picasa images on blogs or websites through embeddable photo galleries.
• Spell with Flickr  - Makes it easy to find pictures of letters on Flickr to spell certain words.
• Tag Galaxy  - Unique way to share Flickr photo content. Just enter a "tag" and keep choosing until your satisfied, then view the related photos.
• Twitpic to Flickr  - Web service that synchronizes Twitpic and Flickr accounts.