A Distributed RESTful Search Engine
Apache Lucene open-source search software
Common Resource Grep
Innovative text document search. http://dynaq.opendfki.de for details.
An open source search engine with RESTFul API and crawlers
Personalized Search Engine for Your Files
Data migration/conversion library based on STX and XSLT transformation
Lotus Notes filter for the Recoll text search tool
Fast Text Indexing and Searching