- Apache Lucene: Search engine library
- Apache Solr: Search platform for Apache Lucene
- ElasticSearch: Search and analytics engine based on Apache Lucene
- Elasticsearch Hadoop: Elasticsearch real-time search and analytics natively integrated with Hadoop. Supports Map/Reduce, Cascading, Apache Hive and Apache Pig.
- Enigma.io: Freemium robust web application for exploring, filtering, analyzing, searching and exporting massive datasets scraped from across the Web
- Facebook Unicorn: social graph search platform
- Google Caffeine: continuous indexing system
- Google Percolator: continuous indexing system ">TeraGoogle : large search index
- Haeinsa: linearly scalable multi-row, multi-table transaction library for HBase based on Percolator
- HBase Coprocessor: implementation of Percolator, part of HBase
- hIndex: Secondary Index for HBase
- Lily HBase Indexer: quickly and easily search for any content stored in HBase
- LinkedIn Bobo: is a Faceted Search implementation written purely in Java, an extension to Apache Lucene
- LinkedIn Cleo: is a flexible software library for enabling rapid development of partial, out-of-order and real-time typeahead search
- LinkedIn Galene: search architecture at LinkedIn
- LinkedIn Zoie: is a realtime search/indexing system written in Java
- Sphnix Search Server: fulltext search engine
BigData Search engine and framework links
Tue 28 July 2015