Browse free open source C++ Search Engines and projects below. Use the toggles on the left to filter open source C++ Search Engines by OS, license, language, programming language, and project status.

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  • 1
    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
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    4.6 out of 5 stars 19 Reviews
    Downloads: 717 This Week
    Last Update:
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  • 2
    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++.
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    5.0 out of 5 stars 30 Reviews
    Downloads: 169 This Week
    Last Update:
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  • 3
    The Lemur Project

    The Lemur Project

    Search engine and data mining applications and ClueWeb datasets.

    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.
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    5.0 out of 5 stars 20 Reviews
    Downloads: 171 This Week
    Last Update:
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  • 4
    Greenstone

    Greenstone

    Digital Library Software

    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.
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    Downloads: 307 This Week
    Last Update:
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  • 5
    The stuff here has no documentation and some of it may never be completed. This is my playground, use at your own risk.
    5.0 out of 5 stars 6 Reviews
    Downloads: 15 This Week
    Last Update:
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  • 6
    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.
    3.7 out of 5 stars 3 Reviews
    Downloads: 25 This Week
    Last Update:
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  • 7
    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.
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    Downloads: 32 This Week
    Last Update:
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  • 8
    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.
    5.0 out of 5 stars 2 Reviews
    Downloads: 9 This Week
    Last Update:
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  • 9
    OpenSearchServer Search Engine

    OpenSearchServer Search Engine

    An open source search engine with RESTFul API and crawlers

    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.
    4.8 out of 5 stars 31 Reviews
    Downloads: 3 This Week
    Last Update:
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  • 10
    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,
    Downloads: 6 This Week
    Last Update:
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  • 11
    An automated client developed for downloading sequenced files.
    Downloads: 4 This Week
    Last Update:
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  • 12
    SNT is a search engine for SMB and FTP shares with crawler running on Win32. Web interface is provided for searching files and browsing shares contents. Also provided shared films list with users rates and comments.
    5.0 out of 5 stars 1 Review
    Downloads: 2 This Week
    Last Update:
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  • 13
    DeSR is a multilingual statistical dependency parser. It produces dependency parse trees for natural language sentences using a parsing model learned from annotated corpora.
    Downloads: 3 This Week
    Last Update:
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  • 14
    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.
    Downloads: 3 This Week
    Last Update:
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  • 15
    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.
    Downloads: 3 This Week
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  • 16
    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
    5.0 out of 5 stars 2 Reviews
    Downloads: 1 This Week
    Last Update:
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  • 17
    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
    Downloads: 2 This Week
    Last Update:
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  • 18
    J-DAWN project is a Job-Directed Automated Web Navigator. It can retrieve network tasks, and schedule and execute them. Part of its power lies in the ability to define tasks using a graphical programming language based on an underlying XML foundation.
    Downloads: 2 This Week
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  • 19
    Grub is a distributed internet crawler/indexer designed to run on multi-platform systems, interfacing with a central server/database.
    Downloads: 2 This Week
    Last Update:
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  • 20

    openSOAM

    open source SOA middleware

    open source SOA middleware
    Downloads: 2 This Week
    Last Update:
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  • 21
    Syndicateme.net ... Ajax Atom 1.0 Syndication Engine Tell your story ... Especially if you are a business along Queen St. in Toronto Canada or King Street Waterloo Canada. Syndication can be from a pop mailbox, and can use XInclude.
    5.0 out of 5 stars 1 Review
    Downloads: 1 This Week
    Last Update:
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  • 22
    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.
    Downloads: 1 This Week
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  • 23
    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.
    Downloads: 1 This Week
    Last Update:
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  • 24
    A utility to extract meta-information (properties/comments) out of various file-types; e.g. HTML, PDF, RTF & various Office documents; OGG/MP3 files and JPEG/PNG/GIF images, which can be presented in various output formats (HTML, XML, LaTeX & plain t
    Downloads: 1 This Week
    Last Update:
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  • 25
    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.
    Downloads: 1 This Week
    Last Update:
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