Search Tools

Directories

A web directory or link directory is a listing of sites on the World Wide Web. You can browse the lists by subject and the links are usually reviewed for quality and listed with brief descriptions.

Open Directory Project - Also known as dmoz, ODP is constructed and maintained by volunteers.
Yahoo! - A portal, search engine, and directoy in one, Yahoo! is one of the most visited websites on the Internet.
Best of the Web Directory - Offers content rich and well designed web sites.
Starting Point Directory - A human edited general web directory .
World Wide Web Virtual Library - A directory of e-texts and information sources on the web edited by volunteers.

Search Engines

Web search engines are interfaces which allow you to search for information on the World Wide Web. You can easily search many websites with a keyword search.

Google - The largest search engine on the web; the algorithm is based on link popularity.
Yahoo! - A portal, search engine, and directoy in one, Yahoo! is one of the most visited websites on the Internet.
MSN Live Search - Choose search results for web, news, images, music, and more.
Ask.com - Search by asking a question rather than keyword.

Web Portals

Web portals are like a one-stop shop for websites. A portal will commonly feature a search engine, news, weather, shopping, online communities, and webmail all in one place.

About.com - One of the largest producers of original content on the Web.
Yahoo! - A portal, search engine, and directoy in one, Yahoo! is one of the most visited websites on the Internet.
MSN - A popular portal for news and entertainment.
Netvibes - A multi-lingual portal with a completely customizable start page.
iGoogle - A customizable portal with popular features.

Meta Search Engines

A meta-search engine sends search requests to several other search engines and/or databases and returns the results from each one. You can get a lot of results from just one search.

PolyMeta - Shows the number of results from each search engine and organizes them by relevance and category.
DogPile - Fetches results from Google, Yahoo!, Live Search, Ask.com, About.com, MIVA, LookSmart, and other popular search engines.
MetaCrawler - Blends the top web search results from Google, Yahoo!, Live Search and more.
My Web Search - A simple interface allows you to compare results from Ask.com, Google, and Yahoo!