Search Engines
A9.com: Search specific information sources such as blogs, the Yellow Pages, Movies or Flickr. Includes Amazon's book database.
Alexa.com: Conduct a search of browse by category at Alexa. Use the Traffic Rankings > Site Info feature to discover more information about the site you are viewing. This is a useful evaluation tool.
Ask: After a search, it includes "Narrow Your Search" options. Hover over the binoculars for a preview of the page.
Creative Commons: Search using Google or Yahoo for various formats: audio, text, video etc. Specify whether you want works that are for commercial purposes or adaptation. Additional information on the Creative Commons is available here.
Dogpile: Searches Google, Yahoo, MSN, and Ask all at once. Compare results from all four!
IT.com: Access information about information technology solutions. Limit to news, companies, papers or webcasts.
IXQUICK: Searches many popular search engines at the same time. Five stars means that five search engines rated the site as one of their top ten results.
KartOO: Provides results in a visual format. Choose a new visual map by clicking on a topic listed at the left of the screen.
Vivisimo: Provides clustered results to help you find the category of information most useful to you.
Wisenut: A general search engine which clusters results into categories.
Yahoo! Search: Search the web or Creative Commons. Content with a Creative Commons license can be shared or reused under certain conditions.
Focus on Formats
Ditto: A search engine for image content.
Google Image Search: Looking for pictures? Access Google's image search.
Singing Fish: A multimedia search engine. Limit to format e.g. mp3, QuickTime, Flash and specific categories.
Soople: Easy Expert Search: Makes it easy to search for specific formats in Google. Also includes a calculator and translation feature.
Focus on Academics
BASE: Bielefeld Academic Search Engine: A multi-disciplinary search engines of academic resources from full text archives and digital repositories. Click here for additional details.
CiteSeer.IST: Focuses on a search of computer and information technology content.
Google Scholar: For many searches, you can link through to full-text of many documents if you are on campus or connected remotely through the VPN. Visit this information page for more details on Google Scholar.
Infomine: Internet sources for those at the university level. Use the advanced search to limit to a specific subject category.
OAIster: From the University of Michigan Digital Library Production Service, this search engine accesses academically-oriented resources from various repositories.
Scirus: A search engine designed specifically to retrieve science information, over 250 million pages, from preprint, digital archives, patent databases and journal databases.
SMEALsearch: A specialized search of business information.
Windows Live Academic: Retrieves information related to computer science, electrical engineering and physics.
For more information on search engines, visit SearchEngineWatch.com.