WebSeek
- An image and video search and catalog tool from Columbia Innovative Enterprise. Option to search only for videos, color photographs, gray images or graphics.
- http://persia.ee.columbia.edu:8008/

Like.com - Visual Search
- Like.com is a true visual search engine, where the contents of photos are used to search and retrieve similar items. Like.com creates a digital signature that describes the photo's contents and enables a more accurate search for similar looking items and
- http://www.like.com

PicFindr
- Searches stock image and photograph community sites for images with the ability to tailor the search by usage license type and easy previewing capability.
- http://www.picfindr.com/

Riya
- An image search engine that determines similarity of image content through analysis of color, shape and texture.
- http://www.riya.com/

Lair
- Unique searchable database of catalogued landscape images, that are available for educational purposes. Several types of search offered all with selectable parameters to narrow your search by location, artist, etc.
- http://www.lair.umd.edu/

Picsearch
- Family friendly interface for finding pictures, photographs or animations on the web, available in English, German, Swedish, Danish, and Norwegian.
- http://www.picsearch.com/

Ditto
- Image search that provides easy searching via tags.
- http://ditto.com/