A Distributed RESTful Search Engine
Common Resource Grep
An open source search engine with RESTFul API and crawlers
The MARKet for Open Source
Semantic annotation of archaeology reports with respect to CIDOC-CRM
Data migration/conversion library based on STX and XSLT transformation
zfind is a fast file search utility/API for searching within archives
DuMP3 is a duplicate and similar file finder.