A compact index server optimized for speed and ease of setup. Commercial product for Windows NT.

An Internet/intranet search engine, free for non-commercial sites and available for Windows NT, Linux, Solaris, IRIX, FreeBSDI and BSDI. By Vestris Inc.

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.

Indexing, search and retrieval of data residing on Internet and intranet servers, with support for multiple file formats and european languages. Together with ASTAware SearchDisc, offers a comprehensive solution for simultaneous online and CD searching.

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

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

Provides search and recommendation engine services to e-commerce companies who want to offer the use of these tools on their existing websites.

Free software for searching large amounts of text.

Indexes .mp3, .html, .doc, .rtf, .xls, .txt. Provides full-text indexing, highlighted quotations in search results, accumulates statistics.

linkSearch is search engine software capable of indexing pdf-, office-, html- and flash-documents. Handles dynamic and static sites, intranets, local nets and is very easy to deploy.

Search software in 100% Java (J2EE) with parametric, natural language and full-text search capabilities.

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

NCSA Information Technologies' effort to build a new search infrastructure that addresses issues of scale and heterogeneity.

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

Software to make topic-specific searches by creating and maintaining a hybrid search engine-directory with a link-indexer.

Search and personalization software optimised for multimedia.

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

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

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.

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

Hosted search options and a search hardware product.

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

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

FusionBot search engine, a remotely hosted search service.

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

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

Identifies and extracts business intelligence from your data assets.

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

Service provides searching in hosted clusters for specific domains and web sites.

Scalable search engine software for corporate web sites and intranets.

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

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

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

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

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

Extensible web crawler was rolled into AltaVista Enterprise Search.

A free search spider, indexer and search front end for large-scale web sites. Databases supported include MySQL, Oracle8, MSSQL and PGSQL. Can also index newsgroups and remote sites.

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

Namazu is a full-text search system. Not only does it work as a small or medium scale web search engine, but also as a personal search system for email or other files.

Open Objects Software is the UK integrator for Inktomi Search Software.

Enterprise search engine with advanced text and metadata capabilities.

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

Provides backend search engine services to micro and vertical niche market portals.

Provides audio and Internet-based locator software services for banks, restaurants, retail outlets, and manufacturers.

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

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

Provides tools to build and maintain portals.

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.

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.

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

Text management product for storing, indexing, retrieving and delivering documents or XML records (stored natively).

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

This program searches SMB/CIFS shares of all available machines in the given domain recursively, for files ending with .mp3. The program is based on Norbert's jCifs client.

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

Database indexing and searching. Integrates with IIS and Apache and supports ASP and PHP.

Provides uniform search-and-locate capabilities over multiple repositories, multiple Oracle databases, IMAP mail servers, HTML documents on a web server, or files on disk.

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

Commercial service allows you to provide maps and directions.

Search software for sites and software help systems. Runs locally.

A J2EE-based enterprise search solution. It can search through both structured and unstructured content including relational databases.

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.

Web walking and indexing package to create a retrieval interface to collections of HTML documents. Free for up to 2,000 pages.

Remotely hosted search engine. Customizable colors and graphics. Free service. Displays advertising in search results.

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

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.