Open Source C++ Search Engines

Hunspell is a spell checker and morphological analyzer library and program designed for languages with rich morphology and complex compounding or character encoding. Hunspell interfaces: Curses, Ispell compatible pipe interface, OpenOffice.org UNO module

CLucene is a C++ port of Lucene: the high-performance, full-featured text search engine written in Java. CLucene is faster than lucene as it is written in C++.

Greenstone is a complete digital library creation, management and distribution package created and distributed by the New Zealand Digital Library Project. There are two major versions of the software. Greenstone 3 is under active development, and is recommended for download. We also provide maintenance releases for its forerunner, Greenstone 2. Featured download not what you're looking for? Click "Browse all files" to access binaries and source releases of both versions.

The Lemur Project develops search engines, browser toolbars, text analysis tools, and data resources that support research and development of information retrieval and text mining software, including the Indri search engine in C++, the Galago search engine research framework in Java, the RankLib learning to rank library, ClueWeb09 and ClueWeb12 datasets and the Sifaka data mining application.

The stuff here has no documentation and some of it may never be completed. This is my playground, use at your own risk.

The ht://Dig system is a complete indexing and searching system for a domain or intranet. This system is not meant to replace the need for powerful internet-wide search systems like Lycos, Infoseek, Google and AltaVista.

ReHash is an easy-to-use console-based hash calculation tool written in C++. It supports many algorithms and output formats and it can be fully configured using some of the many command-line arguments which can be passed to the tool.

The "Netiquette abolishment project" ! Replace content RATING by content POSITIONNING. This project's main goal is to create an on line 'real place': It will work like a 3D visualisation software: you select your interests by geting close to them,

OpenSearchServer is a powerful, enterprise-class, search engine program. Using the web user interface, the crawlers (web, file, database, etc.) and the client libraries (REST/API , Ruby, Rails, Node.js, PHP, Perl) you will be able to integrate quickly and easily advanced full-text search capabilities in your application: Full-text with basic semantic, join queries, boolean queries, facet and filter, document (PDF, Office, etc.) indexation, web scrapping,etc. OpenSearchServer runs on Windows and Linux/Unix/BSD.

Lurker is a mailing list archiver designed for capacity, speed, simplicity, and configurability in that order. Noteworthy features include: google-style searching on all fields, chronology preserving threads, multilingual, and attachment support.

FileStructureToHTML literally creates an .html file for mp3´s, videos and more of your selected drive or a specific directory. The files can be organized in a tree, listing or in a table. Gain a whole new way of viewing your file list.

Command line HTML Parser to be used in scripts to extract data from HTML/webpage according to supplied path and options. Usefull for systematic periodic parsing pages with known structures where information keeps changing - like looking for item on ebay

An intranet based document indexing/search facility. Creates an index of MS Office documents (.doc, .xls, .ppt) plain text and .PDF files found in the UNC path passed to the script.Results are store in MySQL database with PHP frontend.

It is basicly a program that can make you a search engine. It is a web crawler, has all the web site source code (in ASP, soon to be PHP as well), and a mysql database.

wilbur - the free file finder. Tired of all the popups when your surfing for free stuff on the net? just set up a search project and let wilbur do the surfing/dl'ing while you do other things.

The AtomsNet application is a peer-to-peer metadata network indexing files of all types. Each node has a personal website, so that you can fully customize the look-and-feel of the network using CSS and XSL.

ARADO RSS Feed Reader is a URL Database for Websearch and RSS Feed Reading, which saves your added Bookmarks & RSS-Feeds and syncs newest URLs with your connected devices. Store and Search your all your URLs in ARADO. As framework c++ / Qt is used.

ASPseek is a full-featured medium-to-large scale SQL-based Internet search engine. It consists of an indexing robot, search daemon and search frontend (CGI program). These programs are written in C++ using the STL library.

AV Tracker is an IP tracking system.

The Alpine Network is a peer based application and network infrastructure designed for distributed resouce location, including file/data transfer. Alpine attempts to resolve the distributed search/sharing problem using an efficient messaging system.

Amberfish has moved to: https://gitlab.com/amberfish/amberfish

A new Web Crawler including sophisticated searching process especialized by language !

Atlantide is a PHP CMS for managing Role Playing Games related stuff. It aims to be an good-structured archive with a good search engine (with in-doc fulltext search) and embeddable in major portal CMS as various flavors of Nuke.

An automated client developed for downloading sequenced files.

BLySP is in development as a mean to research and test new and improved P2P protocols. BLySP will, in a near future, make use of BestLyrics to collect the necessary resources (i.e. computers) to accomplish the difficult task of testing and tuning protoco