Common Resource Grep
Innovative text document search. http://dynaq.opendfki.de for details.
Powerful desktop search app for Windows, Linux and Mac
Lucene/Solr based search engine and workflow system
An open source search engine with RESTFul API and crawlers
Quickly Search THOUSANDS of Archives!
The MARKet for Open Source
Simple effective file browser and transfer app.
Data migration/conversion library based on STX and XSLT transformation
First index images by contents, then search the index for similarities
Duplicate Checker searches your folders for identical files
zfind is a fast file search utility/API for searching within archives
Successor: <a href="http://syncarus.net">syncarus.net</a>