SearchAlyzer
SearchAlyzer simultaneously queries the common search engines and compiles results into an interactive book with chapters, an index, and pages. Chapters are clusters of related pages. The pages are the search results. The index is automatically built from the pages. ... Marking an interesting page also sorts all pages according to their relevance to the marked page. ... Whenever an index word or page is marked, the relevance of all other index words and pages is automatically updated, saving you time when finding relevant pages.
http://www.searchalyzer.com/SearchAlyzer104.exe - 2Mb - Download - Screenshot

SearchAlyzer2
SearchAlyzer2 simultaneously queries the common search engines and then clusters, indexes, and sorts those search results. Clusters are groups of related search results. The index is automatically built from the search results. In addition, marking interesting search results or index words finds... Marking an interesting page also updates the relevance of all pages to the marked page. ... Unlike other search tools, marking an index word of interest automatically updates the relevance of all pages to that word.
http://www.searchalyzer.com/SearchAlyzer2.exe - 2Mb - Download - Screenshot

VistaGlance
Instantly find document, music, video or run program you want within several seconds since you firstly think of it. You don't need Explorer now! Super fast indexing, super fast search by file names, attributes and tags.. Copy, move and open parent folder of found files, apply smart filtering and... VistaGlance calculates the overall relevance of each result depending on the string relevance, date and time of last access, usage frequency of exact this file and files of such type and a lot of secondary parameters.
http://www.vistaglance.com/VistaGlance.exe - 2Mb - Download - Screenshot

Golden Keywords
Innovative search engine optimization and keyword research solution allowing webmasters automate the entire process of picking relevant keywords for given web site. Golden Keywords automates the whole cycle of keyword-based web site optimization: from detecting potentially relevant keywords on... Thanks to multi-level keyword ranking system built using AI text analysis technology keyword relevance and subjective importance to given e-business ranking, keyword research process produces highly informative keyword \ key phrase reports giving exact directions to web page optimization specialists.
http://www.scosoft.com/GoldenKeywords410.exe - 4Mb - Download - Screenshot

Sponsored Ad Blocker
Sponsored Ad Blocker™ protects the relevance of web searches by blocking often misleading and annoying sponsored search ads on Google, MSN, AOL, Yahoo and over 20 other search engines and web-sites. This software is NOT ad supported and contains no spyware, adware or other harmful software.
http://www.superadblocker.com/downloads/SponsoredAdBlocker.exe - 3Mb - Download - Screenshot

Lyrics2Search toolbar
Lyrics2Search toolbar for Internet Explorer allows you to search Lyrics2Search's daily updated lyrics database, request lyrics, view the most popular artists or listen to online radio from within your browser. The results of your search are sorted by relevance and include artists and song lyrics... You get the most relevant artists, albums and songs matching your search string.
http://www.lyrics2search.com/Lyrics2search.exe - 683Kb - Download - Screenshot

DataparkSearch
DataparkSearch Engine is a full-featured open sources web-based search engine released under the GNU General Public License and designed to organize search within a website, group of websites, intranet or local system. DataparkSearch consists of two parts. ... Stopwords and synonyms lists; Boolean query language support; Results sorting by relevance, popularity rank, last modified time and by importance (a multiplication of relevance and popularity rank); Various character sets support; Accent insensitive search; Phrases segmenting for Chinese, Japanese, Korean and Thai languages;...
http://www.dataparksearch.org/dpsearch-4.39.tar.gz - 2Mb - Download

Download3k Toolbar
Download3k toolbar for IE allows you to search Download3k's daily updated software applications database from within your Internet Explorer browser. The results of your search are sorted by relevance and include both freeware and shareware programs. You also get a suggestion box for related... The toolbar is quite self explanatory and easy to use. ... In order to install the plugin close all IE windows first, then follow the instructions in the install screen.
http://www.download3k.com/toolbar/download3ktoolbar.exe - 227Kb - Download - Screenshot

Download Analyzer
Download Analyzer is web log analysis software specialized in the analysis of file downloads (audio, video, and graphics files, and software distribution kits). It creates special interactive reports on downloads, refers, search phrases and individual search words. ... * Total relevance of groups of phrases, individual pages of a site, and search engines. ... For each download file, or for downloaded files as a whole, Download Analyzer provides a relevant analysis and can calculate: * Relevance of search phrases for the purpose of finding and subsequent downloading of files.
http://www.mailnavigator.com/DAnalyzer16.exe - 585Kb - Download - Screenshot

LyricsFairy search plugin
LyricsFairy search plugin for Firefox allows you to search LyricsFairy's daily updated lyrics database from within your Firefox browser. The results of your search are sorted by relevance and include artists, albums and song lyrics results. You get the most relevant artists, albums and songs... After that restart your Firefox browser and select the new search engine from the search engines tab (usually located in the top right of your browser). ... In order to install the plugin follow the instructions in the install screen or extract both files from the downloaded archive to your Mozilla...
http://www.lyricsfairy.com/tools/firefox/lyricsfairy-searchplugin.exe - 97Kb - Download - Screenshot