alexa.com

Alexa Internet is a subsidiary of Amazon known more for providing website traffic information. Search was provided by Google, then Live Search, now in-house applicaitons run their own search.

LINK: http://www.alexa.com/

archie.icm.edu.pl

Archie is a tool for indexing FTP archives, allowing people to find specific files. It is considered to be the first Internet search engine.

LINK: archie.icm.edu.pl