SEARCH & RESEARCH -- Metasearch
12 MetaSearch Engines                                                                                                          27 November 2007

48ers real time metasearch                                                                                                        10 August 2010

Academic Index                                                                                                                     7 May 2004
meta-search tool includes results from mega-information databases that index only research-quality reference & information sources selected by professional librarians, educators, educational & library consortia; approximately 137000 quality information web pages

Addict-o-matic meta search for news                                                                                       13 May 2008
latest news, blog posts, videos & images from major blogging houses (WordPress, Bloglines, & Twitter) & blog search engines, video & vlogging sites (YouTube & Truveo), major folksonomic searching (Digg, Technorati, & Flickr, plus 15 other sites & engines);

Agent 55                                                                                                                                  21 May 2008
run same search through various search engines in quick succession; 329 search-engines in 45 categories; Tabs for Blogs, News, Visual Web etc. help to focus searches; Create your own metasearch of selected search engines &/or categories;

Age of.com[Find Your Portal!]Basic Start Page                                                                        25 July 2001
Guides, Meta guides, Portals, Directories, Meta Search; Meta Meta Search

All4One Metasearch                                                                                                                28 April 2005

Allinonenews                                                                                                                           1 September 2007
metasearch 1800 news search engines across 200 countries & territories; keyword search; no way to list results by date; keyword-based RSS feeds, topic based feeds, or feeds from popular queries;

AllPlus Universal Meta Search and Discovery Engine                                                                 28 October 2007
results from  Google, Yahoo, MSN Live and Ask.com; Web pages, News, Images, Videos and Blogs, etc are compared, ranked & presented in an intuitive and organized way, similar to Kosmix’s topic overview pages; integrated Natural Language Processing algorithms for query analysis & refinement, search strategy, relevancy ranking, focused drill-down & exploration of multi-dimensional information spaces; multiple spell checkers based on English, Medical and Scientific Dictionaries; dynamically generates Topic Clusters and visualizes search results in form of Cluster Graphs; built on the PolyMeta meta search engine;

AllSearchEngines focuses on UK Search Engines                                                                       29 March 2002
6 UK-focused search engines - Overture UK, Yahoo UK, Mirago UK,AltaVista UK & MSN UK; & search for MP3s(3 UK sources) & images(2 UK sources.)

Big Four Meta Search Engines (SearchDay, September 17, 2002. No.357)                                3 October 2002
Dogpile & Metacrawler are 2 best known InfoSpace meta search engines; InfoSpace purchased Excite & Webcrawler properties when Excite failed

BlowSearch                                                                                                                                1 February 2005
BlowSearch Secured Messenger users aggregate into its interface buddy lists from 4 main public IM services: America Online's AIM & ICQ, Yahoo's Yahoo Messenger & Microsoft's MSN Messenger; runs with Microsoft's Windows 95+ & IE; date range searching;

Booksearch x 3 searches A9, Google Book Search, Windows Live Search                                27 January 2007

Carrot2 open source search-results-clustering engine                                                                  14 January 2008
creates groups of most common concepts or terms from results; default Swiss meta-search engine eTools.ch queries 10 search engines including Google, Yahoo, Ask & MSN, returns top 20 results from each; tab to limit your search to Google,Yahoo, MSN, Wikipedia, PubMed; search results limited by default to top 100 results from any search engine but Show Options link to search & sort up  to 400 results (increase from from 20 to 40 resultrss/engine); Show Options  to select from 6 sorting algorithms (only clusters change);

Cleversearch meta-meta search                                                                                                  14 April 2002

Clustering meta-search engines                                                                                             21 June 2002
Vivisimo search results grouped. Advanced search; specify search engines wanted, how many results wanted & language(Dynamic clustering); English/German versions; now used for Dogpile, MetaCrawler, WebCrawler & Killerinfo.com & clusters results from Slashdot; demos forGoogleUncleSam, UNSearch, FirstGov, NASA (See Clustering Engine Demos - Government) & open source projects  via Freshmeat & SourceForge.
Query Server -- Web, News, Health, Money, & Government searches cluster results
Surfwax - Internet Explorer only; subscription-based & free services; focus words added to search; generic words, not links to specific people or places
Northern Light News Search - Search results are divided into different folders with results in date order
Kartoo visual search metasearch engine with visual display interfaces uses FlashPlayer to draw interactive maps
iBoogie MetaSearch Engine supports multiple languages & deep web(invisible web) search
ez2www.com global metasearch & directory Search results from global search(not necessarily advanced search); clusters based on frequently occurring phrases.
Infonetware; .SnakeT(SNippet Aggregation for Knowledge ExTraction); WebClust;
Those who find topic clustering helpful may prefer to use Vivisimo or KillerInfo for searches of such specialty engines as PubMed or Find Law.
KillerInfo: Meta Search with Clustering(6 June 2003) Search Results Guide; Quick Peek Preview; Search Channels; International Searches
Dogpile has licensed Vivisimo's clustering technology  to group results by category(7 September 2003)
meX flash clustering metasearch engine with video agent displays results with interactive maps to distinguish between relevant & irrelevant documents
AllPlus Natural Language Processing algorithms for query analysis & refinement, search strategy, relevancy ranking, focused drill-down & exploration of multi-dimensional information spaces; multiple spell checkers based on English, Medical and Scientific Dictionaries;
SnakeT(SNippet Aggregation for KnowlEdge exTraction) hierarchical clustering engine organising on-the-fly search results drawn from 16 commodity search engines(Dec 09: now only 2) into a hierarchy of labeled folders for a complementary view to flat-ranked list of results returned by current search engines. Users  navigate through the hierarchy driven by their search needs; Technical assessment; Review;

Clusty.com(Vivisimo)                                                                                                                    30 September 2004
search & clustering tools & options(including metasearch of blogosphere) unavailable from Vivisimo.com site; Clusty's metasearch engine for weblogs uses Blogdigger, Daypop, Feedster, Technorati, Blogpulse & IceRocket & clustering results; searching weblogs & RSS feeds; (18 Mar 2006) new cluster feature Search for more results like these combines search terms with words used to describe cluster; Clusty.com launches free site search for Nonprofits, Schools & Universities(25 March 2006); 4 Sept 09 updated search engine for multiple NBII databases powered by Vivisimo;

Cluuz.com: Military Intelligence-Like Functions for Web Metasearch                                            13 May 2008

CNET Search.com metasearch 800+ specialized engines                                                              5 September 2001

Coarc Metasearch                                                                                                                       15 May 2004
Searching: AlltheWeb, Altavista, HotBot, Lycos, Netscape, Mamma, MSN, ODP, WiseNut, & Yahoo!

Comparison of Various Metasearch engines                                                                              6 August 2010
Table 2: To Evaluate the Performance of Metasearch Engines: A Comparative Study((JTES) Delving: Journal of Technology & Engineering Sciences, Vol 1, No. 1 January –June 2009): Dogpile, Vivismo, Ixquick, Metacrawler;

Compound search engines                                                                                                            22 October 2004

Copernic 6.0                                                                                                                               18 February 2003
standalone application integrates with Web browser; eliminates dead links & duplicates; ranks hits; save & edit searches; Google engine can be added; basic version with ads is free; Personal($29.95)has 1000+ instead of 90+ search engines customized selection; Professional($79.95) adds ability to analyze search results; Copernic Summarizer($59.95) prepares summaries of document formats including PDFs; integrates with Office, Intenet Explorer.

DOE Green Energy portal  (US Department of Energy)                                                                13 May 2010
OSTI More-Like-This (MLT) search power aka Term vector similarity analysis new semantic search tool on Information Bridge flagship collection of DOE research reports; 2-stage search process -conventional search, then select an anchor document & MLT button to re-search entire database for similar documents;

Dogpile. All results, no mess  See Comparison of Various Metasearch engines                     9 June 2005
Google, Yahoo, Ask Jeeves, MSN; Dogpile has licensed Vivisimo's clustering technology  to group results by category & sponsored listings are now clearly labeled (7 September 2003); utility visually displays overlap of results from search engines it queries(3 June 2005); Comparison View compares results from 3 search engines; Missing Pieces tool calculates overlap in top-ranked results from Google, Yahoo! & Ask Jeeves; images search(Yahoo! & Ditto), audio(Yahoo & Singingfish), video(Yahoo & Singingfish) & News option(Yahoo, Topix News, Fox News, ABC News); 18 Apr 2012: How do Dogpile & DuckDuckGo work?;

DoubleTrust                                                                                                                              13 June 2005
fetches results from Google & Yahoo, shows common results(STARS) & where they conflict(ORPHANS) - top sites for one engine alone; Quick Comparison Toolbar Link for browser toolbar works for Ask Jeeves & MSN as well

eHealthcareBot.com metasearch engine                                                                                          9 April 2012

eTools.ch                                                                                                                                  3 April 2007
Search major Swiss, German & international search engines in English, French German, Italian, Spanish; apply weightings to search engines used;

Evaluating & comparing search features of Web metasearch engines: A checklist-based approach   2 September 2010
Malaysian Journal of Library & Information Science, Vol. 15, no. 2, August 2010: 1-17

ez2www.com global metasearch & directory                                                                              5 October 2002
results from AlltheWeb, Teoma, Google, Yahoo!, AltaVista, Wisenut, ODP, MSN; links to relevant directory categories from Open Directory & to more focused search queries; pages found are given 1 to 5 stars; news, auctions, encyclopedias, forums, images & MP3 files; translation; advanced search  limits to topic oriented search engines & sites; results from global search(not advanced search) grouped into clusters based on frequently occurring phrases.

Fazzle(Opera or IE)                                                                                                                   27 September 2003
e-mail hits option under query box; Reports gives statistics about search & successful search engines; Defaults to a more focused set of search engines for higher relevance; preview feature; formerly known as Search Online.

Federated Searching(cross-source or cross-database)                                                                11 December 2003
Velocity dynamic clustering & meta/federated search tap web, fee-based, internal databases; includes release of Vivisimo's own crawler; The end of federated search?; Scitopia.org; WebFetch: All-in-one search including Google, Yahoo!, MSN Live Search & Ask.com provides current 'best of' collection of most clicked on; personalising options too; Open Translators (CARE Affiliates, Index Data & WebFeat) libraries use federated search interface of their choice to access 10000+ databases using SRU/SRW/Z39.50 – Libraries  with a Z39.50 client in their OPAC can connect licensed databases; free databases; catalogues; Z39.50, Telnet & proprietary databases. Those building/using an open-source federated search will now be able to expand; WebFeat translators structure & parse unstructured citations even for databases that don’t support functionality. Results usage can be tracked in compliance with COUNTER standards; Undergraduates prefer federated searching to searching databases individually, College & Research Libraries 68.6 (Nov. 2007): 472-86(Evidence summary by Genevieve Gore in Evidence Based Library and Information Practice); Introduction to Federated Search(FUMSI); fumsi report: Federated Search Report & Tool Kit; Biznar (Deep Web Technologies); 16 March 2010: LGSearch Google Custom Search Engine (CSE) set up by Dave Briggs searches all UK public sector web sites; narrow your search further to Local Government, Central Government, Health, Police & Fire, LG Related or Social Media; UNdata;

Flipper.com                                                                                                                                23 April 2002
combines search results from Quigo’s Deep Web search engine as well as other search engines, directories & PPC(pay per click) engines; features Quigo’s advanced categorization & drill down capabilities.

FuzzFind Web Search                                                                                                                6 January 2008
combines Google, Yahoo & Live searches with results from social bookmarking site Del.icio.us.

Gimenei                                                                                                                                     3 September 2002

Gnosh                                                                                                                                       30 March 2007

Gravee metasearch engine personalizes search results based on interests & preferences                18 October 2010
your bookmarking, tagging, & voting activity & your friends(if you connect to others on Gravee); import bookmarks from your browser or Google, Delicious & Stumbleupon; synch your profile with Facebook, MySpace hi5 or bebo;

Grokker 2.0 zoomable graphical search interface                                                                       18 December 2003
personal data mining tool, with sophisticated information & text retrieval capabilities; search indexed material, organize results into spheres of different colors & sizes, some nested; interface to Amazon.com, user's desktop files & meta-search of AltaVista, Yahoo!, MSN, FAST, Teoma & WiseNut; (January, 2004)plug-in for Google's index; US$49.95 subscription; free trial; Aug 2009: Grokker Status: closed day-to-day operation in March 2009 & negotiating with possible acquirers & investors;

Harvester42 integrating metasearch engines                                                                               26 October 2009
multi search engine covering 50 different resources divided into 16 categories. Results are inframe, so you just scroll down the page to see the next frame;

HotBot                                                                                                                                     21 December 2002
revamped & relaunched meta-search engine integrating FAST, Google, Inktomi, & Teoma; choose 1 of 4 search engines, apply different skin, set filter preferences (e.g. domain limiting box ) & result preferences; advanced HotBot/Google search offers date range search options but not cache, PDF

Huckabuck search Yahoo, Google, & MSN, adjust which used most through sliders                  30 April 2006

Human-Search-Engine editors commonly searched termsl; 5 most relevant                                  3 July 2005

Icerocket offers search by email                                                                                                 13 August 2004
searches WiseNut, Yahoo, MSN, Teoma, Altavista, Alltheweb, Lycos; news search uses USA Today, MSNBC, etc; Send to different e-mail addresses for news, pictures or Web pages - more details

Info.com                                                                                                                                     16 January 2005
results from 14 search engines & pay-per-click directories, including Google, AltaVista, Looksmart, Fast, Overture, Inktomi, Yahoo! & Ask Jeeves

Infonetware RealTerm Search                                                                                                      6 February 2002
designed to demonstrate classification technology from Infogistics; topical classification of results, like Vivisimo; select topics, then drill down to see results from all, rather than being restricted to results from one topic; currently queries AllTheWeb.com, AltaVista, Google & Yahoo; uses text analysis results manipulation;  Shortlist button for best results; email results

Infonou UK metasearch of Altavista, Espotting, Google UK, MSN UK, Yahoo UK, Mirago        9 September 2004

Infopeople search tools chart search & meta-search engines & subject directories                         27 August 2002

InfoSpace                                                                                                                                    5 November 2002
operates meta-search engines including Dogpile, Excite, WebCrawler, MetaCrawler, & InfoSpace; includes Google & FAST which often prevent other meta-search engines from including their results

Internet Meta/Parallel Search Engines                                                                                            28 December 2005

Ixquick Metasearch  (namechange to Start Page, 7 July 2009)                                                        5 September 2001
fast, comprehensive searches, natural language searches, advanced boolean searches; Translates query into each search engine's syntax allowing boolean operators(AND, OR, NOT), quoted phrases, plus, minus, wildcards; Eliminates duplicates & redundant entries; stars for relevance- 1 for each search engine that places a result in top10; Pictures MP3; Doesn't query Google(requires licensing fee); checkmark search result to get more; Power Search Boolean options; Advanced Search Boolean search with title search, domain name search, & back links; Power Search Techniques; Preferences page includes family filter, automatic highlighting, font size; (15 July 2008) I., first to delete privacy details like IP-addresses within 48 hours & abolish use of ID cookies, gets first European Privacy Seal which guarantees that IT products & services comply with demanding EU laws & regulations on privacy & data security; award issued by EuroPriSe consortium of 9 privacy organisations backed by European Commission; 29 May 2010: StartPage launch Australian version; See above - Comparison of Various Metasearch engines; 26 Oct 2011: Ixquick encrypts all searches - SSL(secure socket layer) encryption prevents eavesdropping byISPs; 

iZito                                                                                                                                              7 October 2004
Click on any listing using P icon to park in to do list; P tab shows pages you've culled; similar search memory features at Ujiko

Joongel                                                                                                                                          3 January 2009
search collections of 10 sites at once (images, music,videos, shopping, social, Q&A, health, torrents, gossip);

JSTOR Launches XML Gateway                                                                                                   1 September 2005
created to better facilitate metasearching/federated searching/cross-database searching

Jux2                                                                                                                                               14 October 2004
identify search engine overlap; compare results from Google, Yahoo, Ask Jeeves; Firefox plugin; 18 June 2006: enhancements - inclusion of MSN search results & Firefox extension that makes it possible to search Jux2 directly from browser; 

Kartoo visual search                                                                                                                       27 May 2002
Case sensitive, natural language & phrase searches; results map only works in Flash version of site; ordinary HTML version reverts to text results. Natural language queries can be typed in search box as long as a question mark <?> is placed at end.

Keotag: Metasearch for Social Bookmarking Sites                                                                         22 April 2007
tag search Technorati, Blinklist, Del.icio.us, Twitter, Google blog search, Icerocket, Blogdigger, Tailrank, Livesearch, Bluedot, Newsvine, Blogpulse, Blogdimention, Bloglines, Digg, reddit, Yahoo, YouTube;

KillerInfo                                                                                                                                      13 January 2003
Vivisimo clustering technology; larger roster of search services; Search Options offers a list that includes Google, Teoma, Altavista & others not at Vivisimo;  specialty sources for news, health, law, science; Quick Peek option without leaving search results page.

LeapFish proprietary hyper-threading technology communicates with online portals & API’s           7 April 2009
searches Google, Yahoo, MSN, Yahoo Answers, Ebay, YouTube, social media sites & blogs; choose to search Google, Yahoo or MSN (Windows Live) & search results reflect this choice: web results, then a box of blog results; other results in boxes(widgets): news, videos, images, answers, shopping depending on topic of search; (16 Nov 09) now a multi-media & real-time search, communication, & sharing platform; real-time metasearch;

Magellan Metasearch beta-2                                                                                                     24 September 2004
monitor as many search engines as you want; complex query language with full Boolean syntax & proximity operators; compatible with all operating systems.

Meceoo                                                                                                                                    23 February 2004
data from AltaVista, AllTheWeb & Inktomi; creation & management of an exclusion list; preselected site list management

Mednar Deep Web Technologies federated clustering search                                                     7 December 2008
useful complement to PubMed; lag time before latest articles get into PubMed prevents timely notice of interesting developments or awareness of perhaps ultimately insignificant but nonetheless interesting, thought-provoking developments; includes EurekAlerts identified by institution or organization; excellent way to monitor centers of research activity in certain medical conditions;  2 hyear meta-analysis to appear in PubMed; press releases can be informative; provides results by author enabling determination of leading authority in a field; Premium Mednar plan includes subscription sources; Incremental Searching allows for immediate viewing of the initial results while the slower sources continue to search and retrieve;

MetaCrawler See Comparison of Various Metasearch engines                                 5 September 2001
searches Google, Yahoo, MSN Search, Ask Jeeves, About, MIVA, LookSmart; image, audio, video & news channel searches; language, date & domain filters, Search Filter for sexually explicit material; Comparison View compares results from search engine(s) of choice to combined results

MetaLib: federated search portal from GPO (Government Printing Office) review                   17 October 2010
Databases Used with Basic Search: AGRICOLA Books, Access to Archival Databases(AAD) System - NARA, AUL Index to Military Periodicals, Catalog of US Government Publications(CGP), Education Resources Information Center(ERIC), Environmental Protection Agency(EPA) Catalog Search, Library of Congress(LOC), PubMed, USA.gov; Create sets of searchable database collections using A-Z Resource List; Access & search interface of database from originating institution/agency; Save configurations & resources to your "E-shelf", a personalized collection manager based on your browser session; Email &/or save records in various formats (e.g., MARC21, Standard, ProCite) & encoding (e.g., UTF-8, ISO 8859-1, ASCII);

Metasearch detailed guide, limited content in broken English                                                        29 November 2005

Meta-Search by Tag or Site URL                                                                                               5 June 2006
Tagground(beta) searches tagging sites, including digg, del.icio.us, Ma.gnolia, & RawSugar;

Metasearch eBooks by author, title, or keyword/ISBN with Addall                                            2 September 2010

Meta Search Engine Roundup(SearchDay, September 18, 2002. No. 358)                               3 October 2002
Other Meta Search Engines(SearchDay, Sept 19, 2002, No. 359)

Meta Search Engines                                                                                                                 18 May 2003

Meta Search Engines: Web Searcher's Best Friends                                                                   23 August 2003

Metasearch, federated search or universal search(ResourceShelf)                                             18 May 2007

Metasearch systems: some thoughts                                                                                            13 February 2010

Metor Search                                                                                                                            5 June 2001
unsophisticated; set your timeout; relevance ranking; Check, Analyze, Browse features to see your words in context & navigate results

meX                                                                                                                                         10 November 2005
flash clustering metasearch engine with video agent displays results with interactive maps to distinguish between relevant & irrelevant documents; 

Mighty Metas!(AltsearchenginesCrossEngineGoshMeSrchr;                                          21 June 2007

Molu metasearch has a great tree of the engines it’s searching  (review)                                        3 November 2010

Moonmist Metasearch                                                                                                               2 September 2001
specialty of searching UK & European sources, such as Mirago, Splut, UKIndex. with worldwide meta search.

Myriad Search/Authority Finder                                                                                                 6 October 2005
search results with relative rankings from Ask Jeeves, Google, MSN Search & Yahoo; displays description or snippet for each page, sums up authority value as determined by position in all search engines; skew results by adding or subtracting bias values for a particular engine; Myriad Search FAQ

Natural language Meta searchers Kartoo visual search, One2Seek, Ixquick                           19 July 2004

Newsiness Metasearch                                                                                                               19 June 2005
Yahoo News & Google News, menubar with links to news providers: CBS, CNN, ABC, Business Week;

NIH Library AllPlus Search Demo results from PubMed, MedlinePlus, NIH Library Catalog    31 October 2009
displays results from above & other sources on 1 page; select particular databases to search;

Oamos metasearch engine with audio-visual display interfaces (Beta)                                            18 February 2008                                                                                              
questions search engines for up-to-date news, images, synonyms, music & videos on your topic to stream audiovisually with or without sound, with or without links; .

OAIster digital resources union catalogue                                                                                     24 September 2002
collections from institutions include description, number of records from each collection; (20 May 2005) Open Archives Initiative (OAI) Protocol for Metadata Harvesting (PMH) 4.8m metadata records from 400+ organisations worldwide; some hidden behind search forms or CGI script inaccessible to search engines; text, images, audio & video files - repositories carrying mainly bibliographic records are removed or asked to isolate digital content for harvesting; monthly updates;  duplication & search via variable date formats problem ; metadata included in Yahoo! search index since March 2004; Google use only URLs; If you use Firefox, you can add OAIster as a search engine plugin in your browser toolbar; (13 April 09) 20m+ rcords from 1000+ institutions; Search Entire Record, Title, Author/ Creator, Subject & filter on Language; Boolean search & wildcards; Filter results on types like text, images, audio, video & data sets; Sort criteria; repositories & number of hits; works with SRU (Search/Retrieval via URL) & supports CQL (Contextual Query Language)

OJOSE: Online JOurnal Search Engine                                                                                         10 July 2006
free scientific metasearch in databases using only1search field; download or buy journals, articles, research reports, books in 60 databases; translate option;

OmniMedicalSearch.com - MetaSearch Medical Search Engines                                                  29 July 2004
general medical, medical news & medical image search engines & databases professional & layman; 72 databases, medical journals & associations

Open Data Search metasearch tool: find & access Open Government data sets                            23 March 2011
global version of prototype publicdata.eu site; aggregator for datasets, providing simple, unified search interface to all catalogues contained including known instances of CKAN software, Sunlight Foundation’s National Data Catalog(with many US-based data sources),  World Bank data catalogue, Sweden’s DCat-enabled OpenGov.se & Nexedi’s Data Publica portal, search.ckan.net with access to combined index of all CKANs; how it works;

Opsdo                                                                                                                                         15 July 2006
search via engines & information sources not well covered by major search tools & search groups of sources; download search toolbar plugin; Free;

OvGuide.commetasearch for video content                                                                                     20 February 2009
aggregates video content from YouTube, Hulu, Blinkx, & 3000+ other sites; Founder answers video search questions; rules ranking of search results include user statistics, such as clicks & time spent on site; no image processing at present

PageBull                                                                                                                                        11 December 2006
results presented as pictures of search result pages without text in 3 by 4, 2 by 6 or 4 by 3 image grid depending browser window size; small info link; + sign to enlarge image of page; needs fast broadband with speed 1Mbps+(DSL, cable or office network)..JavaScript enabled; mousewheel, monitor with 1280+ pixels

Pandia Metasearch Engine                                                                                                              25 February 2008
search engines including Yahoo!, MSN, AlltheWeb, Ask.com, Wisenut ; Pandia Metasearch & Vivisimo are only meta-search engines these days that do not include paid results on purpose [True in 2001, still true?]

Patent Lens(Australia)                                                                                                                    20 July 2007
Center for the Application of Molecular Biology to International Agriculture(CAMBIA); FAQ; searchable full-text database of 7m+ patents & patent applications from WIPO), USPTO, EPO, & IP Australia uploaded weekly; incorporates INPADOC bibliographic data from 70+ countries & legal status data from 40+ patent authorities; keyword search; Quick keyword search box or patent number & dropdown menu of 4 agencies; toggle stemming, sort by relevance score, patent number, filing date or publication date; Structured field searches e.g., title, abstract, inventor, assignee; boolean and/or; filter results by publication or filing date,  predicted expiration date for US). Stemming, item number & sorting; Expert search Boolean options, restrict by date, filtering, stemming, display & sorting options; BLAST National Center for Biotechnology Information’s technology to search sequences listed in US patents & published patent applications; RSS feed search updates, intellectual property news, & discussion forums on Patent Lens itself, patent informatics, intellectual property, & “technology landscapes”;

PolyCola (Formerly GahooYoogle)                                                                                                23 March 2010
search any 2 major search engines at the same time, & see the results from each engine in a split screen;

Previewseek(beta)                                                                                                                         3 February 2006
pending algorithms utilizing artificial intelligence, Bayesian statistical data mining, word-sense disambiguation, cognitive visualization theory, heterogeneous database querying technologies, behavioral psychology; major search engines; full preview feature;  clusters results by related concepts or words; Free;

PureVideo metasearch for video content                                                                                    16 November 2006
searches video providers; popularity charts for 30+ video providers (YouTube, CNN, ESPN, BusinessWeek, etc.);

qbSearch                                                                                                                                  11 July 2001
qb(quickbrowse) grabs original pages & presents together in one long page

ResultR                                                                                                                                      26 October 2006
return results from specified sources in a single page; create a personalized search engine free without registration;

Scoopler: real-time metasearch for Twitter, Digg, Delicious, & Flickr                                         9 May 2009

ScrapeTorrent                                                                                                                           25 August 2006
free basic search of 4 Torrent search sites(including IsoHunt &d TorrentSpy); sort by number of seeds, date, or name of Torrent, filter out zero-seed results. Results sorted by source; Firefox extension; preferences - porn filter, reset font size;

SDARTS Protocol & Toolkit for Metasearching                                                                         3 July 2005

Search.com (CBS)                                                                                                                  13 February 2010

searchCrystal visualization tool                                                                                                   24 January 2008
search & compare multiple enginese, remix & share results from best web, image, video, blog, tagging, news engines, Flickr images or RSS feeds;

Search.io tabbed search                                                                                                             2 December 2008
Topics range  from default search engines to blogs, torrents, popular Web 2.0 sites , latest searches, Alta Vista, Lycos, people & social bookmarks searches

Searchzooka: create a complex search & run it on different sites                                                 24 January 2010
include keywords, exclude keywords, sort results by date, limit your search by date span, domains or top-level domains; summaries search & links to launch your search on engines including Google, Bing, Digg, Technorati, & Ask; organize searchings into folders, clone  search as basis for a new search, & add notations (recovery key makes customizing possible without registration);

SnakeT(SNippet Aggregation for Knowledge ExTraction)                                                           29 May 2005

Social Search                                                                                                                           18 May 2007
yoName, searches for people by username, e-mail address, or first & last name, Wink metasearch engine queries social networks; ZoomInfo metasearch engine/social network distinguished from popular networks, such as MySpace & Facebook by focusing on business people; Social Media Firehose (SMF) beta queries Flickr, Twitter, Friendfeed & Digg, returns results to review by thumbnail images or by text headlines;

SortFix                                                                                                                                      11 March 2008
searches Google, Yahoo & dmoz; presents search result in a drag-and-drop Search User Interface which assists user to refine query; system scans results & extracts optimal terms(“Power Words”) based on text mining algorithms;

Start Page (fomerly Ixquick Metasearch )                                                                                    7 July 2009

Super Search  FireFox addon combines 160+ people search & web search engines in toolbar     12 September 2009
Access 67 most popular engines from toolbar search, included engines from Toolbar drop-downs; Grouped in 4 categories:Web search(Google, Yahoo, Bing, StumbleUpon) including real-time Twitter-based search & social search; People search(Twelow, Facebook, YoName, ZomInfo); New, Blogs and More (including Craiglist, Google & Yahoo Groups); Video, Images & Audio (YouTube, Revver, Vimeo);

SurfWax, Inc. 2001 - Advanced Web Searching                                                                         20 July 2001
best with IE & Netscape; personalized SearchSets or InfoCubby with registration - 3 levels: free, Silver($24/year), Gold($60/year). Free registration limits number of SearchSets you create & number of sources used; non-intrusive, asking for a name for front page greeting, e-mail address, password; My SearchSets link; 1200 sources load slowly on dial-up; free registration accesses 250 sources. Silver registrants 750, Gold registrants 1200; listing of  free source, list sources by categories or search them by keyword;  Profile

Tabbed search See Search.io

Tag metasearch See Keotag(above)                                                                                         12 April 2008
Taggylicio.us (beta) meta search engine queries tagging sites Flickr, Photobucket, YouTube, Digg, Reddit, Dailymotion & Del.icio.us;

Talk Digger                                                                                                                                 17 July 2006
helps users find, follow & join conversations; URL of a piece of BBC news, blog post, product page; paste URL in Talk Digger search box & press Dig it!; Talk Digger will then ask major search engines "Who linked to that URL?"

Topic-Specific Meta Search Engine Gateways: Gigablast Custom Topic Search                           6 January 2005
a) HTML snippet integrates search form on one site page; personaliz & allow a custom list of sites/domains/paths to search. b) up to 200 sites/domains/paths!  c) clustering optional. Gigablast Custom Topic Search is free of charge for immediate implementation on your site.

Torrent Typhoon  meta-searches BitTorrent sites, including TorrentBox, TorrentSpy, MiniNova 13 November 2005
400000+(8 sites); keyword search; results give Torrent name, size, seeds, & peers. Dead Torrents arent listed, default searching time is 2 seconds/site (change to between 1 and 4); RSS feed for news updates; Torrentz;

ToxSeek metasearch & clustering for environmental health &toxicology                                       8 July 2006

Trexy remembers searches on 3000+ search engines including Google;                                         23 June 2006
follow other searchers - download TrailBar

Trovando Firefox search plugin & search toolbar for Internet Explorer/Firefox                              1 September 2005
250+ search engines in categories (Web, Images, Reference, Tag, News, Price, Blogs, AudioVideo, Torrent, URL); URL tab finds backlinks, Whois domain name, archived copies of page; add 3300+ search engines from mycroft archives & save customization with bookmarklet, without registration.

Turbo10 search engine crawls hidden Web                                                                                  14 Feb 2002
some hidden Web in search results; accesses business associations, universities, libraries, government departments; specific legal databases such as Australasian Legal Information Institute; AltaVista, DMOZ, Dogpile, Encyclopedia.com, Google, MSN Search & Teoma; personalization feature; set up topics or channels of up to 10 search tools selected from Turbo10's list; Make way for the contender to Google's crown (The Register, May 30, 2003 )

viaLibri Resources for Bibliophiles & metasearch for old & rare books                                          29 December 2008
18 web sites aggregate the inventory of 20000+ antiquarian booksellers world-wide; Reference & research, forums & blogs for bibliofiles553 years of printing history retrieved from our cache of recent matches; Multi-national union & census catalogues;

Vivisimo - Organize your Search!  See Comparison of Various Metasearch engines      11 July 2001
Document clustering technology.Vivisimo licenses its parsing,clustering, browser display products to OEMs & end users who already possess a search engine or other source of documents; drill through several layers of categorization; no paid links; free Vivísimo Demo: PubMed categorizes textual information into meaningful, hierarchically sorted categories; Vivisimo MiniBAR; Vivisimo Toolbar - pop-up blocker, find keywords on results pages. With either toolbar, when someone enters text while visiting another search site, query terms automatically appear in MiniBAR search box; English/German versions; now used for Dogpile, MetaCrawler, WebCrawler & Killerinfo.com; clusters results from Slashdot & open source projects  via Freshmeat & SourceForge; >Velocity dynamic clustering & meta/ federated search for web, fee-based, & internal databases on common interface; includes Vivisimo's own crawler; Repeat Visits to Vivisimo.com: Implications for Successive Web Searching; 18 Jan 2007 Vivísimo selected by NLM to enhance searching; Shakespeare searched (built with Vivisimo Velocity) for quick access to passages from Shakespeare's plays & sonnets clustered topic, work, character; 4 Sept 09 updated search engine for multipleNBII databases powered by Vivisimo; 27 Apr 2012: IBM buys V allegedly for its big data prowess;

WebClust                                                                                                                                   9 August 2005
queries search engines, parses result pages to extract documents (titles, URLs, short descriptions) & groups documents based on this info

Web Ferret 5.0                                                                                                                           5 October 2002
query number of different search engines, validate selected results, save search histories, filter out pornography & inappropriate language; uninstaller, interface to eliminate banner ads; toolbar integrated into IE; compatible with Windows 98+

willsurf  many facets of searching                                                                                                25 July 2001

Wink  social bookmarks service & social list(collections) service                                                10 March 2006
lets you tag; crawls Digg, Furl, Slashdot & Yahoo MyWeb plus user-imported tags from del.icio.us; TagRank(tm) algorithms rank pages for relevance; search social web, refine results by ratings; Google results for comparison;

Yauba privacy-safe, real-time search                                                                                          10 December 2010
distributed electronic semantic intelligence(DESI) algorithms & word-sense disambiguation extraction technologies can automatically identify referential "meanings" embedded in search terms, focusing on semantic concepts rather than frequency of search terms;

YouTorrent metasearch See also Yauba                                                                                     17 January 2008
searches top torrent engines, including Mininova, Pirate Bay, isoHunt, SumoTorrent, myBittorrent, Monova, Vuze, BitTorrent, LegitTorrents, SeedPeer, & BTjunkie;

YurNet.com                                                                                                                              26 August 2006
Google, Yahoo!, MSN, WiseNut, Altavista, ODP; options for different kinds of queries; viewing options provide summary, show sources, group results; Find more like this; Boolean OR & compound queries; comparison page for 3 engines displayed in panes from groupings for Web(including Yurnet), Images, Video, Blog, News or Resources; Internet Toolbox offers Whois/domain searches at Alexa, DNS & Reverse DNS lookup, DNS/email reports; Search terms quickly for top rank sites; Quicktime troubleshooting from page at Apple; Specialty Search for answers(Ask.com & Brainboost), get weather, check eBay & other vertical slices; YurNet blog;

ZapMeta                                                                                                                                    27 February 2004
Boolean commands, phrase, proximity(NEAR), truncation, & searching by field, host, domain, URL, title; snapshots, keyword highlights..no banner or popup ads;  limit search by continent, domain or host; sort results by relevance(default), popularity, title, source or domain;  Boolean & Field Searching

ZDNet: Meta Search Engines Reviewed                                                                                       25 July 2001

Zippy - webmaster's meta search engine                                                                                      1 December 2006
each domain has age of site, IP address, data on site from Google, Yahoo, MSN, Ask, Alexa, Technorati & Internet Archive; back- links, deeplinks, indexed pages; top 100 ranking keywords, server information, text information, phrases on page, & textual content;

Xooda United Kingdom - Smart Metasearch                                                                                18 March 2007
searches Altavista, Ask, Google, MSN, Yahoo, Abacho, Accoona, Exalead, Gigablast, Mirago, WiseNut, Dmoz, EntireWeb. ; regional versions with appropriate local search engines for Australia, Canada, China, Germany, Denmark, Spain, France, HK, Italy, Japan, Korea, Netherlands, Norway, Sweden, Taiwan, US.

Zuula                                                                                                                                            11 January 2007
web, news, images,  blogs; searches web for Google, Yahoo, MSN, Ask, Gigablast, & Exalead, results are presented for each engine through tabs; searching of video sites, including Google Video, YouTube, iFilm, MetaCafe, & DailyMotion; tabbed metasearch now includes Web Search, Images, Video, News, Blog Search, & Jobs; 14 October 2010: Zuula 2.0 Dynamic Pruning removes duplicates, search result page shows tabs for results from search engines including Google, Bing, Exalead, Gigablast, & Mojeek, first tab shows all Google results(Preferences option to change order of tabs), second tab, Bing, shows only results which didn’t appear in Google; .