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...
Unsplash : All photos published on Unsplash can be used for free. You can use them for commercial and noncommercial purposes.
morgueFile : The morguefile contains photographs freely contributed by many artists to be used in creative projects by visitors to the site.
Image * After : Image*After is a large online free photo collection. You can download and use any image or texture from our site and use it in your own work, either p...
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...
We extracted the colors from 20 million Creative Commons images on Flickr to make the images searchable by color.
