Web search engine featuring semantic cluster graphs, image extraction, and tag clouds.

Indexes sites listed in the major internet directories. Offers free web services, including a search toolbar, and code for webmasters to provide search boxes on their sites.

Search engine with a simple interface and no advertising. Offers the ability to create a customized topical or personal search index.

Offers social search features (allowing others' opinions to influence your results) and allows users to tag, group and save links.

Provides a unique search interface for saving, annotating, and sharing search results.

Search engine with country specific searching. Options to display country flags, and include preview and translation features. Sponsored links appear in panels separate from the main results.

Weblog dedicated to coverage of the next generation of search engines and new technologies from the original players with tips, tricks, and tutorials on how to search more effectively.

A search engine for finding images on the web, specializes in finding gallery pages.

Delivers combined meta results and proprietary index search results from Searchii's Bumby web crawler.

Research paper which offers a solution for increased indexing efficiency.