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.
Tomatobob.com
More than 80 varieties of heirloom tomatoes, plus growing tips and a newsletter.
Heirloom Tomato Seed Exchange
Australian collector, selling heirloom tomato seeds.
Southern Exposure Seed Exchange
Offers a wide variety of heirloom seeds for the home gardener.
Seed Savers Exchange
Founded in 1975, this non-profit organization was a pioneer in the heirloom seed movement. Web site includes general information as well as an online catalog.