Apache Solr is an open-source enterprise search platform built on Apache Lucene.
Categories: Search engine
Official website: https://solr.apache.org
Apache Solr is ranked #5 of 64 in Search engine by website adoption.
WhatStack detects Apache Solr by analyzing HTTP headers, HTML source code, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries using signature-based pattern matching across 10 different analyzers.