Froogle:
Developed by Google, Inc. One of the most promising price comparison sites to date.
BizRate:
One of the largest price search sites. Over 30 million products listed.
Shopping.com:
Child of Dealtime and Epinions, now merged to provide you with three shopping search engines that feature your products separately, yet the same.
Yahoo Shopping:
Complete Yahoo Shopping data feed creation and maintenance solutions.
MSN Shopping:
Complete MSN Shopping data feed creation and maintenance solutions.
NexTag Shopping:
Complete NexTag data feed creation and maintenance solutions.
PriceGrabber Shopping:
Complete PriceGrabber data feed creation and maintenance solutions.
Fireside Books and Tutoring
An eclectic selection of used and rare books, online, by mail, or in the store. Book search and appraisal, tutoring, and editing services.
Freeman Old Book Company
Used and rare books, including fiction, biographies, religion, and agriculture.
Felicity Books
Second-hand, used books for sale on-line. Categories from the rare, spiritual, crime, and fantasy.
Flatsigned Books
Specializes in signed first editions.
Fine Print
selected books for antiquarian and rare book collectors and many special interests.
Frogtown Books
Used, rare and out-of-print books and autographs in a variety of categories.
Foundling Books
Specializes in children's books, particularly Boy Scout and Disney related items. Also used and rare books on a wide variety of other topics.
Food For Thought Books
Antiquarian and out of print. Based in Cyprus, but selling worldwide.