Solr-PHP-UI is a user interface for searching with Apache Lucene/Solr, providing faceted searching in documents, images, sheets, and databases, with visualizations with wordclouds and charts.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.