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.

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 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.

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.

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

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

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.

That project aims at providing a clean API, and the corresponding C++ implementation, for parsing travel-focused requests (e.g., "washington dc beijing monday r/t +aa -ua 1 week 2 adults 1 dog").

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

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.

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

An automated client developed for downloading sequenced files.

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.

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

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

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.

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.

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.