EGOTHOR is an Open Source, high-performance, full-featured text search engine
written entirely in Java. It is technology suitable for nearly any application
that requires full-text search, especially cross-platform. It can be configured
as a standalone engine, metasearcher, peer-to-peer HUB, and, moreover, it
can be used as a library for an application that needs full-text search.

ChangeLog:

* 50% faster indexing
* Improved documentation
* Indexing GUI tool
* New searching webapp
* Clustered result support
* PDF indexing
* DOC indexing
* XLS indexing
* Improved Ant functionality
* N-gram support (filter)
* NIO in org.egothor.store
* Improved compression routines
* Golomb code of any base is implemented
* New pool a.k.a. ThreadPool (FIFO and LIFO)
* Exclusive locks
* NIO robot
* robot's terminal
* new LL(0) HTTP parser

Download: http://www.egothor.org