Open Source C Search Engines

Virtuoso is a scalable cross-platform server that combines Relational, Graph, and Document Data Management with Web Application Server and Web Services Platform functionality.

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

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.

Hyper Estraier is a full-text search system. It works as with Google, but based on peer-to-peer architecture. Using Hyper Estraier, we can construct a large-scaled search engine with cheap computers.

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.

Hypermail is a program that takes a file of mail messages in UNIX mailbox format and generates a set of cross-referenced HTML documents. Development of hypermail continues now at github: https://github.com/hypermail-project/hypermail

A function-testing, performance-measuring, site-mirroring, web spider that is widely portable and capable of using scenarios to process a wide range of web transactions, including ssl and forms.

3store is an RDF "triple store", written in C and backed by MySQL and Berkeley DB. It is an optimisation and port of an older triple store (WebKBC). It provides access to the RDF data via RDQL or SPARQL over HTTP, on the command line or via a C API.

This project has evolved from its original version into Calimero (a new Windows desktop wallpaper manager). Details here: https://sourceforge.net/projects/kalimero/ WallPaper (alias crawlpaper) is a desktop changer (NOT a screensaver) which includes a web crawler for picture download, an audio stream ripper, an audio player, a mini mp3 tag editor,etc. Also included support for .zip and .rar files and an interface to the BerkleyDB code for small databases.

The BeeGram library is a portable open source search engine toolkit written in C. BeeGram provides a number of building blocks for the construction of powerful general-purpose text-based search tools.

Harvest is a distributed search engine framework. It collects data using various methods like HTTP, FTP, News, local files etc., extracts relevant information, creates indexes and make them searchable using a Web interface. All of the collecting, extracti

Net Ferret is a tool to help you get quicker results when searching the internet. It runs as an applet in the GNOME toolbar. Net Ferret currently features 23 different search engines, and includes a one-touch button for updating the list via the web.

OpenFTS (Open Source Full Text Search engine) is an advanced PostgreSQL-based search engine that provides online indexing of data and relevance ranking for database searching. Close integration with database allows use of metadata to restrict search re

Creates really cool and useful hypermaps from SQL database schema, consists of a small PL/SQL metadata extractor and a Python (or C) postprocessor file.

ht://Check is more than a link checker. It's particularly suitable for checking broken links, anchors and web accessibility barriers, but retrieved data can also be used for Web structure mining. Uses a MySQL backend. Derived from ht://Dig.

Sgrep (sorted grep) is a much faster alternative to traditional Unix grep when searching large files, because sgrep searches sorted input files using a fast binary search to find matching lines.

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

PAD stands for Portable Application Description. PAD is an XML-based open format to describe downloadable applications. By using the PAD system, developers save time by having to create a description of their software packages only once.

Mobilemaps is a Nearby Engine which allows users to find Web pages by location. Extremely fast and capable of scaling to any number of pages, it supports OpenGIS map-servers and uses MySQL, Perl and C.

This project aims to build a suite of Natural Language Processing tools. Modules will include corpus indexing and access tools, a part-of-speech tagger, tokenisers, text classification software, etc.

A threaded C application that searches torrent trackers/indexers for .torrent files and sorts the results according to user defined criteria. Uses glib2.0 and libcurl4

opengallery takes a dirtree of image files and creates a web site with frames, thumbnails, subdirectory navigation and optional javascript highlighting.

"Swish-e is a fast, flexible, and free open source system for indexing collections of Web pages or other files" (http://swish-e.org/ ) This module provides a Python API for this software.

ALTSE is an alternative search engine technology. It can index up to a couple million Web pages.