www.seobook.com
 
123ExchangeLinks.com
123 Exchange Links helps you find quality link exchange partners which increases traffic and improves a website's link popularity with search engines.
 
Reciprocal Web - Free Reciprocal Links Directory
Free Reciprocal Links Web Directory. Get your website listed on Reciprocal Web, by submitting your URL to the most appropriate category. Automatic link approval.

 
Rukhnet Online Web Directory
Internet Web Directory organized by category, offers content rich and well designed web sites. Submit URL and have your site listed within the Rukhnet Web Directory.

 
Yoy-search.com - a convenient interface to ten types of search.