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.

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.

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.

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.

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

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.

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

Methanol is a scriptable multi-purpose web crawling system with an extensible configuration system and speed-optimized architectural design. Methabot is the web crawler of Methanol.

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.

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

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

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.

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.

A tool for generating personal signatures for grouping of information in Internet with possibility to create personalized groups for fast search by personal tags (or using Internet as the global 'Cloud' for storing and grouping of the information)

A C Implementation of an OAI-PMH Static Repository Gateway.

webplay creates from a collection of mp3s and Ogg-Vorbis files (directory or database) a web-based jukebox with support for multiple independent streams. it also maintains control over the stream and can change codec/bit-rate, skip or goto a track, etc.

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.

"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.

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

An Apache2 DSO module search engine based on the Swish-e C API returning results by replacing tags in a user supplied html template. Persons with Swish-e knowledge and ability to generate a Swish-e index file should find the searchm interface familiar.

This is a simple command line tool, which will solve the problem of full mailboxes with stuff you don't want to lose. It fetches all the mail from any POP3 mailbox account and generates a searchable HTML archive on your local harddrive. OS: Unix/Linux

A new Web Crawler including sophisticated searching process especialized by language !