Open Source C# Search Engines

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.

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

Geoportal Server is a standards-based, open source product that enables discovery and use of geospatial resources including data and services.

A federated search application for discovering interesting files that are being shared online, such as video, music, books, software, games, subtitles and much more. All data is crawled by od-database which collects information about the contents of servers worldwide. We don't search file contents. We host no content, we provide only access to already available files in the same way Google and other search engines do.

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.

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

A toolkit for crawling information from web pages by combining different kinds of "actions". Actions are simple operations such as navigation to a specified url or extraction of text from the html. Also available is a graphic user interface.

The Rainbow project is an open source initiative to build a comprehensive content management system using Microsoft's ASP.NET and C# technologies. It has ASP.NET 1.1 and ASP.NET 2.0 code bases.

OpenWebSpider is an Open Source multi-threaded Web Spider (robot, crawler) and search engine with a lot of interesting features!

NzbSearcher is a windows client for SABnzbd which integrates it with various UseNet (nzb) search sites. Check website below for changelog. Currently supported NZB search sites: NZBindex.nl, NzbMatrix.com, YabSearch.com and NZB.su

Client/aggregator for free online language services - translators, dictionaries, thesauruses . Allow to translate text over 41 sites, 53 services, 70 languages, more of 4000 translation directions.

DocLib is a Web-based Document Management System implemented in ASP .NET technology to facilitate documents finding in Full Text Search, Directory Browsering, Search by document summary,by Catagory/Attribute , and by Virtual Directory.

An extensible framework for the automated harvesting, indexing and collation of publicly available data from internet resources for example RSS feeds and webservices.

Phonetix.Net is a C# class-library of phonetic algorithms, implementing Soundex, Metaphone and DoubleMetaphone, with adapters for Lucene.Net. It is a port of the Java-based Phonetix library.

You want to find free proxy, but it is so hard to do it manually? Just try Burd's Proxy Searcher program. It is looking for list of proxies in Internet with using of public search engines, checks if those proxies works in your Internet segment, gathers additional information. If you want to be anonymous and don't want to spend much time for manual search then this program was developed especially for you. Tags: the free proxy, proxy list, proxies, proxy for free, proxy providers

The aim of this project is to develop client software for PubSub.com's XMPP-based JEP-60 publish-subscribe system.

Dr. Micheal Kay: "Saxon 8.7 is the first release to be released simultaneously by Saxonica on the Java and .NET platforms." MDP: Mission accomplished! Saxon for the .NET platform from Saxonica is now available and supported via the http://saxon.sf.net

A browser for quick search movie and actors details on IMDB. Suports multi tab browsing. Easy to use, fast (multithreaded), permits work offline. Uses IMDBServices library. Based on .NET Framework 2.0 and the target is Avalon. Visual, Easy, Fast, Useful!

The WawaWiki Diary is a wiki like diary that utilizes rich text files. It is easy to use and has lots of features. Torrent Hound is a useful torrent search utillity

The image crawler application is used to collect a multitude of images from websites. The images can be viewed as thumbnails or saved to a given folder for enhanced processing. (Html and XML report are generated)

This little tool will help you with your Google searches. It uses Google Operators to search with precision the terms as you enter them in the program. It work with almost everything Google provide (Search Operators). You can search for files, sites/domains, search in URL, in title, in text… In order to provide the best results, some fields disable others, some Google Operators aren’t meant to be mixed up with others! It will launch the search results in your default browser, so you can keep working with the same browser.

AJAX,document discovery search system for legal discovery,email search & other types of docs i.e. MSWord,Excel, TIFF, etc. Uses SQL Server FTS - full text search, to index emails & attachments. Documents are stored in SQL Server Written in C# ASP.NET

Light weight Javascript client based search engine. Program (.NET) generates a Javascript search index and provides you the code to implement it with ease in your website. Tutorial video: http://www.youtube.com/watch?v=yj7_JKQ49YM Demo in my portfolio: www.bert.co.nr

URLMonitor is a program for monitoring webpages at defined intervals to perform conditional checks on the context of the page, and launch actions upon the conditional returning true. The GUI sets the variables, then an external dll processes the protocol

VkRiper - это бесплатная программа с открытым кодом, позволяющая искать и скачивать любые медиа файлы с сайта Вконтакте.ру.