Sites relating to search engine software with an open source license.

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Arachnode.net
A .NET web crawler written in C# using SQL 2005 and Lucene. Documentation and online demonstration.
BDDBot
A web robot, search engine and web server written in Java and available under GPL. Includes related resources. [Project no longer actively updated]
CSIRO Arch Intranet Search Engine
An open source, high precision corporate search engine based on Apache Nutch
Datafari - open source enterprise search solution
A packaged, Apache v2-licensed, enterprise search solution that leverages ManifoldCF for data sources, Solr for the search engine, and Cassandra for user management.
DataparkSearch Engine Tool
Open source search engine tool released under GPL and designed to organize search within a website, group of websites, intranet or local system.
Egothor
A cross-platform, full-featured text search engine written entirely in Java. It can be configured as a standalone engine, metasearcher, peer-to-peer HUB or used as a class library.
Groonga
An LGPL 2.1, open-source, fulltext search engine and column store written in C. Works with MySQL and Postgres. Site provides online documentation and downloads.
Grub
Open source, cross-platform distributed crawler. FAQ, documentation and a support forum.
Indri
A cross-platform search engine written in C++ that provides text search and a rich structured query language. BSD-like license.
KDE GUISearch
A tool for finding code by looking at the applications' GUI text messages (e.g., "Undo") and returning associated callbacks/slots (e.g., slotUndo()). Allows searching the KDE project CVS repository as a live demonstration.
Locust
Specifically designed for knowledge area or corporate search, written in C++.
Norconex HTTP Collector
Java-based Apache licensed enterprise web crawler running on any platform, and integrating with virtually any search engines (open-source or commercial).
Nutch
Effort to implement a prototype of an open source web-search engine.
OpenSearchServer
A GPLv3 search engine and crawler for urls, databases, and file systems. Comes with an XML/HTTP API, PHP/ASP client. Based on Apache Tomcat, Java Server Faces and JBoss RichFaces.
OpenWebSpider
An open source web spider and search engine. Includes demo, source code and screenshots.
Sphider
A lightweight search engine in PHP. Includes details of features, documentation, support forum, and download. [GPL]
Sphinx
A search engine designed for indexing database content. It natively supports MySQL, PostgreSQL, and XML pipe interfaces. It is written in C++ and has a GPL license.
Strus
A collection of C++ (C++98) libraries and command line tools for building a competitive full-text search engine. Development status is pre-alpha.
Wumpus
A C++, GPL-licensed search engine developed at the University of Waterloo. Wumpus allows control of the text unit retrieved based on structural constraints in the query.
The Xapian Project
Open source search engine library written in C++, with bindings to allow use from other languages as well.
YaCy
A distributed Web crawler and caching HTTP/HTTPS proxy built on the principles of peer-to-peer (P2P) networks.
Yioop!
A PHP, GPLv3 search engine designed to do open web or intranet crawls.
[Search_Mozilla]
Category editor:
cpollett
Last update:
April 14, 2016 at 14:22:46 UTC
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