Open Source C++ Search Engines

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++.

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.

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.

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.

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 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.

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.

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

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

POPsearch is a desktop search engine that's designed to help you find information on your computer. This information can then be accessed remotely with RSS feeds, email feeds, or from any computer that has a web browser.

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").

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

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.

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.

FirteX is a high performance,full-featured text indexing and retrieval platform.It provides a flexible and feasible experiment platform for researchers,as well as a scalable platform for Web search development.It is very fast,and well support for Chi

Online news and newspaper harvester - Like RSS Newsreader w/ database. National & International News. Very detailed catches hard to find news articles. Allows resposting of summaries w/ comments to Usenet Newsgroups, complex searches & more.

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.

iVia is an Internet subject portal or virtual library system. As a hybrid expert and machine built collection creation and management system, resources can be crawled and metadata and selected full-text can be automatically generated/extracted.

KPhotools is a QT and ImLib2 based Web Album (image gallery) generation tool for KDE. It can: resize images,rotate images, blend logos on images, create web albums with slideshows, take screenshots from you desktop(s). No PHP needed on your server.

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.