Metacrawlers and Metasearch Engines Online
Dogpile Web Search
Dogpile.com makes searching the Web easy.
Uncover more of the web with metasearch! Mamma.com collects only the top results from the best search engines on the Internet.
Vivisimo Clustering - automatic categorization and meta-search software
Vivísimo’s clustering and metasearch technology represent the next generation in enterprise search software.
KartOO visual meta search engine
KartOO is a metasearch engine with visual display interfaces.
SurfWax, Inc. -- Practical Tools for Finding and Using Information
Meta-search engine that provides real-time page summaries - 'site snaps'.