Girls of Flickr
Browse around for sexy photos on Flickr babes and Flickr girls

PicMarkr
Add custom watermark (image or text) to your images online and free.

Flickr Hive Mind
A data mining tool for the Flickr photography database, allowing search by: metadata tags; Flickr photography groups; Flickr users, contacts, and favorites; text annotation; the Flickr Explore algorithm for interestingness.

Badge Creator
Create a dynamic Flickriver badge to put on your profile, group, blog or website

Flickriver
Allows viewing of Flickr photos in an infinite “river of photos”. Also has new ways to explore and view Flickr photographs.

Flickr photo owner finder
Helps find who took a particular Flickr photo that you have saved.

Statr
Collects data through api calls and allows you to track and plot page views statistics for your Flickr account.

flickrSLiDR
Easily embed the classic flickr slideshows on your website or blog.

Invitr
Let’s you to specify one (or more) private pictures to be shown to as many or as little people as you want.

TripperMap
Automatically search your photos at Flickr for location information and plot the photos on your own Trippermap, on your own website.