The following is a list of some of the most powerful search and metasearch engines and most comprehensive web directories.
- All4one: One of the first metasearch engines, All4One allows simultaneous searching of 10 major search engines.
- Alta Vista: Allows you to search for websites, audio, video, and news. It also allows searches by location and language.
- Bing: Microsoft's search engine.
- Dogpile: A metasearch engine that will search Google, MSN, Yahoo, and Ask.
- Environment Web Directory: A web directory that focuses on environmental and health issues.
- Excite: A search engine that lets you search by language, for video, audio, and mp3, and by relevant date.
- Google: Includes a new type of search, "Google Scholar," which allows you to search for more academically-oriented searches.
- Lycos: A search engine that allows for news searches but does not have many advanced search features.
- Metacrawler: A metasearch engine and will search other search engines.
- The Open Directory Project: One of the largest and most comprehensive human-edited directories in the world. Only higher quality websites will be listed here as each site submitted must be approved by a directory editor.
- People Search: People Search has online white-page directories for telephone numbers, addresses, e-mail addresses, etc.
- WebCrawler: Another search engine that allows searching by location, domain name, and for multimedia.


