Paid Results Directory &/or Backup Results AllTheWeb Crawler AllTheWeb (Overture-owned) Overture n/a AltaVista Crawler AltaVista (Overture-owned) Overture LookSmart AOL Search Crawler Google Google Open Directory Ask Jeeves Crawler Teoma (Ask-owned) Google Open Directory Google Crawler Google Google Open Directory HotBot Crawler Inktomi (Yahoo-owned) Overture Also available: AllTheWeb, Google, Teoma LookSmart Human LookSmart/Zeal LookSmart Backup from Inktomi Lycos Crawler AllTheWeb (Overture-owned) Overture Open Directory MSN Search Human LookSmart/Zeal Overture Backup from Inktomi Netscape Crawler Google Google Open Directory Overture Paid Overture Overture Backup from Inktomi Open Directory Human Open Directory n/a n/a Teoma Crawler Teoma Google n/a Yahoo Crawler Google Overture Yahoo