Elasticsearch logo

ElasticSearch: is a real-time open-source mass data Search server that provides indexed and distributed Lucene-based storage. It provides all the Lucene search power for full-text searches, but simplifies queries through its to RestFul Web interface.

SOLR logo

Apache SOLR is a Java-based massive data search engine, based on Lucene, with APIs in XML/HTTP and JSON. It has an interface for your administration.