Open Source Windows Search Engines
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Search Engines for Windows
View 5 business solutionsBrowse 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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MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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Full-stack observability with actually useful AI | Grafana CloudBuilt on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
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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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Anna’s Archive
Comprehensive search engine for books, papers, comics, magazines
Anna’s Archive is a large-scale open-source search engine and data aggregation platform designed to index and provide access to a vast collection of books, academic papers, comics, magazines, and other digital texts through a unified interface. The project includes all the infrastructure required to run a full instance locally or in production, combining web servers, databases, and search indexing systems into a scalable architecture. It relies heavily on technologies such as Elasticsearch for search functionality and MariaDB for structured data storage, enabling fast and efficient querying across massive datasets. The system is designed with redundancy and replication in mind, allowing distributed deployments and mirrored environments to handle high traffic and large data volumes. It also includes tooling for importing datasets, managing metadata, and maintaining structured archives using custom formats. -
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Free Manga Downloader
Forked from https://sf.net/p/fmd/
The Free Manga Downloader (FMD) is an open source application written in Object-Pascal for managing and downloading manga from various websites. This is a mirror of main repository on GitHub. For feedback/bug report visit https://github.com/riderkick/FMD -
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EverythingToolbar
Everything integration for the Windows taskbar
EverythingToolbar is an open-source Windows utility that integrates Voidtools’ “Everything” file search directly into the Windows taskbar search bar. It mimics the look and feel of Windows 10/11 search and offers seamless real‑time file search powered by Everything. EverythingToolbar includes common search filters out of the box. For advanced users, it can synchronize with Everything's custom filters, giving you complete control over your search experience. Enable this feature by checking Use Everything filters in the EverythingToolbar's Filters settings. Easily toggle search flags (match case, whole word, match path, and regex) to find your files with precision. Create custom Open with actions by navigating to Settings → Custom actions. Enable Automatically apply rules based on condition to execute commands automatically based on file type and regular expressions. Leave the regex field empty to display the action only in the context menu. -
Go From AI Idea to AI App FastAccess Gemini 3 and 200+ models. Build chatbots, agents, or custom models with built-in monitoring and scaling.
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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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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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SearXNG
Free internet metasearch engine which aggregates
SearXNG is a free and open-source metasearch engine designed to aggregate results from multiple search engines while prioritizing user privacy and anonymity. Instead of maintaining its own index, it queries numerous external search providers and merges the results into a single interface, increasing coverage and diversity of information. One of its core principles is privacy, as it does not track users, store personal data, or create search profiles, making it a strong alternative to traditional search engines. . The system can be self-hosted, allowing individuals or organizations to run their own private search instance with full control over configuration and data handling. It supports extensive customization, including selecting which engines to query, filtering content, and adjusting ranking or display behavior. Developers can also integrate it into other tools through its API, enabling automation and advanced workflows. -
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Free Manga Downloader
Free Manga Downloader
The Free Manga Downloader (FMD) is an open source application written in Object-Pascal for managing and downloading manga from various websites such as AnimeA, Batoto, MangaFox, MangaStream, ... -
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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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Add Two Lines of Code. Get Full APM.Works out of the box for Rails, Django, Express, Phoenix, and more. Monitoring exceptions and performance in no time.
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searx
Privacy-respecting metasearch engine
Searx is a free and open source internet metasearch engine that respects your privacy. It aggregates results from over 70 search services, providing accurate, relevant results with absolutely no user tracking or profiling going on. It’s like having your very own private search engine. It has secure, encrypted connections and does not use cookies by default, giving you the assurance that your searches are 100% private and secure. Searx can also be used over Tor, providing you online anonymity. Searx can be easily integrated with any search engine of your choice. Start searching with absolute privacy and peace of mind with Searx! -
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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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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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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.
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NekoHTML is a simple HTML scanner and tag balancer that enables application programmers to parse HTML documents and access the information using standard XML interfaces.
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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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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.
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Elasticsearch
A Distributed RESTful Search Engine
Elasticsearch is a distributed, RESTful search and analytics engine that lets you store, search and analyze with ease at scale. It lets you perform and combine many types of searches; it scales seamlessly, and offers answers incredibly fast with search results you can rank based on a variety of factors. Elasticsearch can be used for a wide variety of use cases, from maps and metrics to site search and workplace search, and with all data types. -
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Select2
The jQuery replacement for select boxes
Select2 is a jQuery-based replacement for select boxes that allows for searching, tagging, pagination of results, remote data sets, and many other useful options. It’s ideal for enhancing native selects in terms of search and interface, easily loading data from JavaScript, paging and working with large datasets and more. Select2 comes with remote data support and built-in full browser support, be it for modern or legacy browsers. Select2 is also fully extensible, with a great selection of plugins and themes you can choose from to customize it to your needs. -
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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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Web data extraction (web data mining, web scraping) tool. It leverages well proved XML and text processing techologies in order to easely extract useful data from arbitrary web pages.
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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.
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The stuff here has no documentation and some of it may never be completed. This is my playground, use at your own risk.
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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.
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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.
