All Sites

» ASPSeek

Indexes as many as a few million URLs and searches for words and phrases. Uses wildcards and Boolean operators. SWSoft released ASPSeek under the GNU GPL.

http://www.aspseek.org/

» Atrise Everyfind

Design a search engine for your web site, intranet, CD, DVD or any portable documentation.

http://www.atrise.com/everyfind/

» CareerCast

Develops web-based job and resume search software for career, newspaper and employer sites.

http://www.careercast.com/

» Estraier

A full-text search engine for Japanese or English text.

http://estraier.sourceforge.net/

» Findmaan

A search engine developed on MySQL and PHP, and distributed under the GPL.

http://findmaan.sourceforge.net/

» Fluid Dynamics Search Engine

Written in Perl. Online-manageable with a web browser.

http://www.xav.com/scripts/search/

» Funnelback

Enterprise search engine with advanced text and metadata capabilities.

http://funnelback.com/

» Google Search Solutions

Hosted search options and a search hardware product.

http://www.google.com/services/

» HITS web search

Jon Kleinberg's method of searching the Web. Links to the Cornell researcher's online publications list.

http://www.news.cornell.edu/releases/April98/websearch.bs.html

» Harvest

Free GPL-licensed distributed search system to collect files of many different formats and make the information searchable using a web interface

http://harvest.sourceforge.net/

» Hosted Site Search

FusionBot search engine, a remotely hosted search service.

http://vertical-search.fusionbot.com/

» IB 2.0 WebCat

IB 2.0 is the commercial "big brother" of the public Isearch package.

http://www.bsn.com/Z39.50/WebCat.html

» InTEXT WebSearch

Windows/Unix server search engine, includes natural-language querying and document summarization.

http://intext.com/

» Infoglide Software

Similarity Search Engine finds similarities and relationships between data in databases.

http://www.infoglide.com/

» Innerprise

Scalable search engine software for corporate web sites and intranets.

http://www.innerprise.net/

» Java Search Engine

Search engine written in Java supports XML, XSLT and EJB.

http://www.me.lv/jse/

» Kscripts Web Site Indexer Search

Perl script indexes and allows Boolean searching. Suitable for indexing up to approximately 4,000 pages.

http://kscripts.com/

» LinkSearch

Search engine that makes use of hypertext links and paths to provide rankings. Open source project under the GPL.

http://linksearch.sourceforge.net/

» Managing Gigabytes

Book about indexing techniques and a software package that implements the algorithms.

http://www.cs.waikato.ac.nz/~ihw/mg.html

» MnoGoSearch

Search engine software for Internet and Intranet sites. The index can be stored in any of the popular SQL Databases.

http://mnogosearch.org/

» Mondosoft

Offers analytics tools to manage content based on behavior. Mondosoft site search engine, reporting and optimization for Web environments.

http://www.mondosoft.com/

» Open Objects

Provider of Datastore, for information access of online databases, directories, search and information management.

http://www.openobjects.com/

» Perlfect Search

Free web site indexer and search engine suite. Includes automatic installation tool, meta tag searching, paginated results, relevance ranking and keyword weighting.

http://www.perlfect.com/freescripts/search/

» S.L.I. Systems Learning Search System

A scalable search that learns from your users and adapts, provides search suggestions, and reporting.

http://www.sli-systems.com/

» SWISH++

Unix-based file indexing and searching engine based on SWISH-E. SWISH++ is a complete rewrite developed to circumvent difficulties with the SWISH-E package.

http://swishplusplus.sourceforge.net/

» SWISH-E

Search engine for Unix and Windows NT that handles meta tags. Free and open-source under the GNU public license.

http://sunsite.berkeley.edu/SWISH-E/

» Search Engine

Perl-based software that allows visitors to search your site.

http://www.interactivetools.com/products/searchengine/

» Simiax

Provides tools to build and maintain portals.

http://www.simiax.com/

» Suntek Chinese Search Engine

Chinese and English search engine for web sites and intranets. Available for embedding on CDs. Chinese-enabled content management system supports full text and field search in addition to workflow and publication management.

http://www.suntek.com.hk/

» The Clever Project

Incorporates several algorithms that make use of hyperlink structure for discovering information on the Web.

http://www.almaden.ibm.com/cs/k53/clever.html

» Thunderstone

Provides SQL-based relational full-text retrieval, dynamic publishing, object management, and web-indexing software.

http://www.thunderstone.com/

» Verticrawl

An Internet search engine and bot that crawls web sites and intranets for multiple-format indexing.

http://www.verticrawl.com/

» WebGlimpse

Finds information in a related web of pages. Collects and indexes pages based on traversal of links or subdirectories. Create a context-sensitive search by category by linking to relevant pages.

http://webglimpse.net/

» YourAmigo

Search engine that uses a server-based agent to seek all URLs on a site, including dynamic pages from databases. Includes a function to keep searches current.

http://www.youramigo.com/

» Zoom Search Engine

Free search engine software for your web site or intranet, with documentation and no advertising or dependency on external sites. PHP or ASP is required for the search front-end.

http://www.wrensoft.com/zoom/

» dtSearch

High-volume text search works with many file types. Features include hit highlighting, natural language, fuzzy, phonic, Boolean, proximity, field, numeric range.

http://www.dtsearch.co.uk/

» focuseek searchbox

High performance, multi platform full-text search engine, spiders web or intranet sites, or indexes data you feed to it. Easily scriptable via a SOAP/REST API. Also supports a variety of input formats.

http://www.focuseek.com/

» freeWAIS-sf FAQ

Frequently Asked Questions [FAQ] with answers for freeWAIS, a text retrieval system.

http://www.faqs.org/faqs/wais-faq/freeWAIS-sf/

» ht://Dig

A complete indexing and searching system for a small domain or intranet. Source code provided under the GPL.

http://www.htdig.org/