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

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.

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++.

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.

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

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.

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

SWISH++ is a Unix-based file indexing and searching engine (typically used to index and search files on web sites). It's very fast, robust, and can index several file formats including text, HTML, mail, news, LaTeX, and MP3, and apply filters.

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

BTG Web Search Engine is developed for students or developers who are interested in search engine technology. The engine web will be written in C++, Java, Perl,and Python. At the beginning of the project, a simple search engine design will be used.

The target of this project is to develop a protocol and a server building on top of TCP/IP. I want to manage bookmarks over the network. The protocol will be based on XBel, an XML bookmark exchange language.

arachne is a C++ library for HTTP crawling, link, text and metadata extraction designed to run in a distributed environment.

I use the conventional way of architecture, C/S.This is different from the parker. When users input the key word then the client pass it to the server, the server return several results to the client, and the user could use the client to download.

CNSearch - Web-sites Search Engine. CNSearch is a full-text search system, easy to install and to set up.

CitemaPP is a Google Sitemap generator written in C++. Instead of crawling the html-doc directory on your server, CitemaPP crawls the content of your server via http protocol.