TinEye Reverse Image Search : TinEye is a reverse image search engine. It finds out where an image came from, how it is being used, if modified versions of the image exist, or if t...
Multicolr Search Lab : We extracted the colors from 20 million Creative Commons images on Flickr to make the images searchable by color.
RoundPic : Online tool for making anti-aliased rounded corners (very Web 2.0!) for avatars and images
rsizr : rsizr is a Flash application that lets you resize JPG, PNG, and GIF images on your computer. With rsizr, in addition to normal image rescaling and cro...