Google – Does it need any explanation? In case you haven’t been online in the last 10 years, this is the largest, most popular and widely used search engine on the planet.

Yahoo – Much like Google above. Also a widely used general information search engine.
DogPile – Compiles results from some of the major search engines such as Google, Yahoo and Windows Live Search.

AltaVista – Search the web, audio, images, videos and news. You can also search WorldWide or narrow your results to U.S. Only.

Windows Live Search - Search the web and get your own personalized page filled with information you love.

Zuula – Search the web with results from all of the major search engines, you can also specify which search engines you want results from. You can also add the Zuula search to your Firefox search box.

Mamma.com - A meta search engine. Not only can you search the web for information and videos you can also search the white and yellow pages.

Ask.com – Find whatever you are looking for quickly and easily. You can search the web for images, blogs, news and much more. Ask has recently had a redesign and some reports have been very positive about it.

WebCrawler – Why settle for one search engine when you can have them all. Get your results mixed together from Google, Yahoo, Windows Live and more.

Netscape Search – Search the web for your favorite information with Netscape. Not the best search engine out there by any means, but solid; mostly used by Netscape users.

MetaCrawler – Search the web, yellow pages and white pages from one place.

Clusty – A twist on typical search engines. Clusty not only lists your results like you are used to seeing, but it also breaks them into clusters, or categories, making finding the desired results a little easier.

Excite – A search engine and much more. Get your own customized page with news, horoscopes, local weather and more.

MozDex – A search engine seeded from the Dmoz Directory, it is powered by open source technology.

Kanoodle – This is a pay-per-click sponsored search engine. This means you can pay for inclusion, if you are trying to drive traffic to your site.

ExactSeek – Large online search engine, you can search the web, blogs, news and articles. You can include your site for free or featured/paid inclusion.

AlltheWeb – Search results are provided by Yahoo. You can also search specifically for news, audio and video all in 36 different languages.

Lycos - Lycos search results are powered by Ask.com and much like Excite you can customize the homepage to suit your interests.

ScrubtheWeb – On top of searching the web, this site is also a host to many great web developer tools, like the meta tag builder and analyzer.
LemmeFind – Meta search engine that pulls results from Google. Yahoo and MSN.

KartOO – A fun flash based metasearch engine with a unique visual interface. Rather than displaying long boring lists of results, KartOO displays an interactive map for finding results.

AOL Search – Search the web with AOL Gerald-Levin-on-Fear. Search results are enhanced by Google.

HotBot - Search the web using Ask.com or MSN and you can create custom filters to block out all of that unwanted information.

SearchMaze – Nice clean search engine, with some useful tools and features like their toolbar with the ability search from over 150 search engines.

IxQuick – A very powerful meta search engine, not only can you find what you want on the web, you can also find phone numbers and addresses through their international phone One-World-One-Phone directory search.

MSN.com - Search the web with MSN, there are so many other resources available.

GigaBlast – Nice search engine with lots of features. You can restrict search results to specific sites, add search features to your own site and more.

Seekz – Meta search engine with site clustering and duplicate removal.

Zippy – Great all around search engine with a special emphasis on webmasters. You can compare top 10 results for SEO purposes, compare two sites against each other and other great features.

Iboogie – Meta search engine that clusters results so they can be broken down into the most relevant information related to your criteria.

Irazoo – Get points which can earn you prizes by simply using the search engine.

WebFetch – Query results from U.K based sites only or search internationally.