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

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  • 1
    Hibernate

    Hibernate

    An object relational-mapping (ORM) library for Java

    The Hibernate projects offer a suite of powerful Java libraries to work with data. It is best known for Hibernate ORM, which provides relational persistence for Java models and is an implementation of the Jakarta Persistence specification. Hibernate projects do not consistently release binaries or documentation to SourceForge anymore. For up-to-date information, refer to the Hibernate website: * Hibernate ORM: https://hibernate.org/orm/ * Hibernate Validator: https://hibernate.org/validator/ * Hibernate Search: https://hibernate.org/search/ That website will also be updated with newer projects, such as Hibernate Reactive.
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    Downloads: 497 This Week
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  • 2
    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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    Downloads: 320 This Week
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  • 3
    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: 595 This Week
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  • 4
    Virtuoso is a scalable cross-platform server that combines Relational, Graph, and Document Data Management with Web Application Server and Web Services Platform functionality.
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    Downloads: 69 This Week
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  • 5
    SpiderFoot

    SpiderFoot

    Open Source Intelligence Automation.

    SpiderFoot is an open source intelligence automation tool. Its goal is to automate the process of gathering intelligence about a given target, which may be an IP address, domain name, hostname or network subnet. SpiderFoot can be used offensively, i.e. as part of a black-box penetration test to gather information about the target or defensively to identify what information your organisation is freely providing for attackers to use against you.
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    Downloads: 180 This Week
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  • 6
    Orphne is a highly specialized web browser, optimized for viewing "adult" content. Features include tagging, rating, and bookmarking sites, an integrated search, and slide shows. Please note that orphne is intended for adults only.
    Downloads: 87 This Week
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  • 7
    ResCarta

    ResCarta

    Archive your personal history

    ResCarta Toolkit offers an open source solution to creating, storing, viewing, and searching digital collections. Applications in the toolkit let users create and edit metadata, convert data to open standard ResCarta format, index and host collections.
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    Downloads: 44 This Week
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  • 8
    VuFind® is a library resource discovery portal designed and developed for libraries by libraries. The goal of VuFind® is to enable your users to search and browse through all of your library's resources by replacing the traditional OPAC.
    Downloads: 73 This Week
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  • 9
    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.
    Downloads: 22 This Week
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  • 10
    Torrent Search
    Torrent Search is a cross-platform application, allowing to search for torrent files on different websites. Supported websites are integrated through plugins, which allows to easily extend the number of websites supported.
    Downloads: 19 This Week
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  • 11
    HTML::Index - Perl modules for creating and searching an index of HTML files
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    Downloads: 110 This Week
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  • 12
    FileSearch
    FileSearch is a multi-threaded documents searcher. No indexes need to be updated ; no background service is required. The more you have drives the more search speed is increased thanks to its multi-threading technic.
    Downloads: 24 This Week
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  • 13
    The stuff here has no documentation and some of it may never be completed. This is my playground, use at your own risk.
    Downloads: 19 This Week
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  • 14
    Regain is a Java search engine based on Jakarta Lucene. It provides indexing and searching files for plenty of formats (HTML,XML,doc(x),xls(x),ppt(x),oo,PDF,RTF,mp3,mp4,Java). A TagLibrary eases integrating search results in your JSP based web page.
    Downloads: 12 This Week
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  • 15
    LXR Cross Referencer
    A general purpose source code indexer and cross-referencer that provides web-based browsing of source code with links to the definition and usage of any identifier. Supports multiple languages. Up-to-date information in http://lxr.sourceforge.net
    Downloads: 11 This Week
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  • 16
    PDFBox is a Java PDF Library. This project will allow access to all of the components in a PDF document. More PDF manipulation features will be added as the project matures. This ships with a utility to take a PDF document and output a text file.
    Downloads: 10 This Week
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  • 17
    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.
    Downloads: 17 This Week
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  • 18
    dirLIST displays files and folders in a given HTTP/FTP directory. It has a wonderful interface with choice of Thumbnail or List view along with gorgeous icons for different file types. Includes a sleek gallery, web based mp3 player, file admin + more
    Downloads: 4 This Week
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  • 19
    Google Hacks is a compilation of carefully crafted Google searches that expose novel functionality from Google's search and map services.
    Downloads: 23 This Week
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  • 20
    PHPLinks is an open source project written in PHP for use with MySQL, allowing one to run an extremely efficient Link Farm with full search capabilities. A "simulated" search engine in many ways.
    Downloads: 12 This Week
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  • 21
    SEO Panel - A control panel for SEO

    SEO Panel - A control panel for SEO

    World's first seo control panel for multiple websites

    An Award Winning and complete open source seo control panel for managing search engine optimization of your websites. Seo Panel is a seo tool kit includes latest hot seo tools to increase and track the performace of your websites. It is a free software released under GNU GENERAL PUBLIC LICENSE V2. Seo Panel selected as 1st Runner Up in 2011 Open Source Awards as Most Promising Open Source Project. The main feature of seo panel is its extendability by using seo plugins. Any one can easily develop and install required plugins for their seo panel. This open source software was released on January 2010. With in this short period of time thousands of web masters are using this software for optimizing their websites. Use seo panel today itself and enjoy everything related to seo under a single platform. The major feature of seo panel is seo plugins, we can add plugins to our seo panel and extend the features according to our requirement. Home Page: https://www.seopanel.org/
    Downloads: 4 This Week
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  • 22
    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
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    Downloads: 6 This Week
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  • 23
    This is an ***old archive*** of tools developed for facilitating the use of Creative Commons licenses and metadata. --- For the most up to date representation of any of the projects listed here, please see: http://creativecommons.org/project/Developer.
    Downloads: 11 This Week
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  • 24
    AutoIndex is a PHP script that makes a table that lists the files in a directory, and lets users access the files and subdirectories. It includes searching, icons for each file type, an admin panel, uploads, access logging, file descriptions, and more.
    Downloads: 2 This Week
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  • 25
    Bookmark-Manager is an advanced bookmark management utility for Windows supporting importing/exporting and merging of Internet Explorer favorites, Opera hotlists, Mozilla, Netscape, and Firefox bookmarks, XBEL, and HTML lists.
    Downloads: 4 This Week
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