http://www.fidget.com
2. Liszt
http://www.liszt.com
3. EzineSeek
http://www.ezineseek.com
4. Email Topics
http://www.emailtopics.com
5. Reference.com
http://www.reference.com
6. ListQuest.com
http://www.listquest.com
7. Lists.com
http://www.lists.com
8. MailBits
http://www.MailBits.com
9. listTool.com
http://www.listtool.com
10. eScribe
http://www.escribe.com