Base Search BASE is one of the world's most voluminous search engines especially for academic open access web resources. BASE is operated by Bielefeld University Library.
Bing General/specialized (image, video etc.) web search and free email
Google General/specialized web search, social network, free email.
Yahoo! Web directory/search, social groups, free email.
AllPlus Simultaneous search (meta) of the major U.S. search engines (Google, Yahoo!, Bing, and Ask.com) for webpages, news, videos, images, and blogs.
Blinkx Search for video content, create personal video playlists, or build a customized Video Wall for a blog.
Gigablast search engine/directory advanced search supports nested boolean search logic.
Omgili.com Find communities, message boards, discussion threads about any topic.
Picsearch Uses its own technology to crawl the web and has created a searchable index of images.
Technorati Real-time search for user-generated media (including weblogs) by tag or keyword. Also provides popularity indexes.
Wink Find people using name search, location, school, work etc.
Zuula.com Meta search of Web, image, video, news, blog, and job searches.