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Apache Solr
 
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Fess
 
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DataparkSearch Engine
 
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Namazu
 
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ApexKB
 
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Apache Lucene Core
 
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Nutch
 
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Terrier
 
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Lemur
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August 5, 2017

Fess

Fess is very powerful and easily deployable Enterprise Search Server. Users can install and run Fess quickly on any platforms, which have Java runtime environment. Fess is provided under Apache license. Fess is Elasticsearch-based search server, but knowledge/experience about Elasticsearch is NOT needed because of All-in-One Enterprise Search Server. Fess provides Administration GUI to configure the system on the users’ browser. Fess also contains a crawler, which can crawl documents on Web/File System/DB and support many file formats, such as MS Office, pdf and zip. Fess can run on any operating system with Java runtime environment. Fess provides the [...]

4
 
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August 5, 2017

Searchdaimon

Searchdaimon is a leading provider of enterprise search solutions that aims to transforming the way small and medium size businesses retrieves knowledge and information. The Searchdaimon Enterprise Search (ES) virtual appliance contains a stripped down Linux operating system and its software fully configured, ready to run, without the need for doing any software installation. The ES software is open source and available for free under the GPL V2 license. Searchdaimon also offer a paid version that comes with full support and other professional services related to enterprise search.

Searching is the most important aspect [...]

1.5
 
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August 5, 2017

GigaBlast

Gigablast provides large-scale, high-performance, real-time information retrieval technology and services for partner sites. Gigablast offers a variety of features including topic generation and the ability to index multiple document formats. This search delivery mechanism gives a partner “turn key” search capability and the capacity to instantly offer search at maximum scalability with minimum cost. Clients range from NASDAQ 100 listed corporations to boutique companies. Gigablast is one of a handful of search engines in the United States that maintains its own searchable index of over a billion pages. Gigablast can store 100,000 web pages [...]

4.5
 
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August 5, 2017

Lemur

The Lemur Project develops search engines, browser toolbars, text analysis tools, and data resources that support research and development of information retrieval and text mining software, including the Indri search engine and ClueWeb09 dataset. The Lemur Toolkit is designed to facilitate research in language modeling and information retrieval (IR), where IR is broadly interpreted to include such technologies as ad hoc and distributed retrieval with structured queries, cross-language IR, summarization, filtering, and categorization. The system’s underlying architecture was built to support the technologies above. We provide many useful sample [...]

1.25
 
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August 5, 2017

Namazu

Namazu is a full-text search engine intended for easy use. Not only does it work as a small or medium scale Web search engine, but also as a personal search system for email or other files. Namazu is free software; users can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or any later version. Namazu is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

For [...]

2.75
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