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.

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

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.

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.

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.

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 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.

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

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.

CNSearch - Web-sites Search Engine. CNSearch is a full-text search system, easy to install and to set up.

Estraier is a personal full-text search system for web sites, local file systems, mail boxes, and so on. Estraier has flexible interface and it can handle multilingual documents and various file formats with external plug-ins.

Harvest is a web indexing package, originally disigned for distributed indexing, it can form a powerful system for indexing both large and small web sites. Also now includes Harvest-NG a highly efficient, modular, perl-based web crawler.

Distributed search engine for the Internet and intranets. Parallel search in heterogeneous indexes, topic-oriented harvester, CORBA interface to legacy document databases. Document clustering with neural networks.

The library does quick search of dictionary words in arbitrary input strings. Known problems are known. :) See appropriate section in documentation. Also, only ASCII words and strings for now.

Software, information, data sets and documentation for the Web as Corpus community.

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.

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

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 !

AIS - Associative Indexing Service, an application for storing bookmarks, memos, indexing of big (lifetime) archives for fast future access to the data by (personalized) keywords. In other words - it is an extension of human associative memory :)

BLySP is in development as a mean to research and test new and improved P2P protocols. BLySP will, in a near future, make use of BestLyrics to collect the necessary resources (i.e. computers) to accomplish the difficult task of testing and tuning protoco

This project will implement DAV Searching & Locating (DASL), an application of HTTP/1.1 forming a lightweight search protocol to transport queries and result sets and allows clients to make use of server-side search facilities.