Apache Solr

Apache Solr ™  is the popular, blazing fast open source enterprise search platform from the Apache Lucene™ project.

Its major features include powerful full-text search, hit highlighting, faceted search, near real-time indexing, dynamic clustering, database integration, rich document (e.g., Word, PDF) handling, and geospatial search. Solr is highly reliable, scalable and fault tolerant, providing distributed indexing, replication and load-balanced querying, automated failover and recovery, centralized configuration and more. Solr powers the search and navigation features of many of the world’s largest internet sites.

Apache Solr is a trademark and project of the  Apache Software Foundation independent of Redlink.

Redlink provides a plugin for adding semantic technologies to Apache Solr.