Katta is a scalable, failure tolerant, distributed, data storage for real time access. Katta serves large, replicated, indices as shards to serve high loads and very large data sets. These indices can be of different type. Currently implementations are available for Lucene and Hadoop mapfiles. Its features include:
  <ul>
	<li>Makes serving large or high load indices easy</li>
	<li>Serves very large Lucene or Hadoop Mapfile indices as index shards on many servers</li>
	<li>Replicate shards on different servers for performance and fault-tolerance</li>
	<li>Supports pluggable network topologies</li>
	<li>Master fail-over</li>
	<li>Fast, lightweight, easy to integrate</li>
	<li>Plays well with Hadoop clusters</li>
</ul>

Katta is a scalable, failure tolerant, distributed, data storage for real time access. Katta serves large, replicated, indices as shards to serve high loads and very large data sets. These indices can be of different type. Currently implementations are available for Lucene and Hadoop mapfiles.

Katta - Lucene and more in the cloud.

Compass provides real time searchengine built on top of Lucene. It is distributed, transcational, supports Spring MVC, integrates with ORM. Simple Compass provides a simple API for working with Lucene.  If you know how to use an ORM, then you will feel right at home with Compass with simple operations for save, and delete & query. Compass provides google-style search, index updates as well as more advanced concepts such as caching and index sharding (sub indexes). Compass also uses built in optimizations for concurrent commits and merges. <BR> It provides support to map	Object, JSON, XML to search engine mapping. It allows storing the index with Data Grid products such as GigaSpaces, Coherence and Terracotta.

Compass is a real time searchengine. It is built on top of lucene. It is transactional, distributed, supports Spring MVC, integrates with Hibernate.    

compass - Searchengine built on top of Lucene

Lucene++ is an up to date C++ port of the popular Java Lucene library, a high-performance, full-featured text search engine.

LucenePlusPlus - C++ port of the popular Java Lucene library

This is a fast text search engine, intended for use with source code. (Pronunciation: roughly as you would pronounce "zooked" in English)


Zoekt - Fast trigram based code search  

Full text, faceted, dependency free search engine in javascript. Created to perform fast search on small json dataset (up to 1000 elements).

ItemsJS - Full text search engine in Javascript

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Katta - Lucene and more in the cloud.

compass - Searchengine built on top of Lucene

LucenePlusPlus - C++ port of the popular Java Lucene library

Zoekt - Fast trigram based code search

ItemsJS - Full text search engine in Javascript

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Katta - Lucene and more in the cloud.

compass - Searchengine built on top of Lucene

LucenePlusPlus - C++ port of the popular Java Lucene library

Zoekt - Fast trigram based code search

ItemsJS - Full text search engine in Javascript

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