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.

Infinispan is an open source, Java based data grid platform. ***IMPORTANT*** Starting with Infinispan 5.0.0.FINAL, Infinispan releases are no longer hosted in Sourceforge. They can now be located in www.jboss.org/infinispan/downloads

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 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.

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

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.

RIG is a web-based JPEG image album viewer, especially useful for digital camera albums; provides automatic image resizing, preview & thumbnail caching, user authentication; composed of a PHP web interface and a C++ thumbnail engine.

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.

Dave's Quick Search Deskbar is an add-on for the Windows Desktop Taskbar that lets you launch searches quickly. With almost 400 searches, a calculator, clock, calendar, and much more in one little textbox, it's monster functionality in a flea-sized

The UntzUntz LAN Scan searches your local SAMBA/Windows for files with such speed and accuracy that even your right hand will appreciate. Included is an advanced CGI program that enables users on your network to run searches against the database.

Grub is a distributed internet crawler/indexer designed to run on multi-platform systems, interfacing with a central server/database.

PornSeer, a smart porn detector, precisely locates breasts, vulvas and other pornographic features in images/videos. It generates mosaic patterns on illicit contents of porn images/video, provides indexes of pornographic contents for image/video database

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.

An automated client developed for downloading sequenced files.

A simple search engine for LANs. Indexes files in shares over FTP and SMB protocols and provides the ability to search for certain files in this index.

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.

Pulsarr implements a new self-organizing P2P protocol that forms a distributed file index. Instead of flooding a network with user queries, Pulsarr's search terms are routed through the file index, increasing network response times.

Transforms Netscape bookmarks into a Yahoo-like website with slashdot-like news.

A full featured Internet search engine, specifically designed to power vertical search, enterprise search, or a knowledge area search. Can index 2.5 million documents per 24 hours on a single Dell server. Clean C++/STL code written from scratch.

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.