List of search engine software

Presented below is a list of search engine software.

Commercial
• Apache Lucene

• Apache Solr

• ApexKB

• Ark

• Arrowsmith System

• Chomp

• Cue

• dtSearch Engine

• Datafari Enterprise Edition

• Elasticsearch

• Endeca

• ExaSearch

• Intergator

• Koru search engine

• LEVAN

• Library Genesis

• Lookeen

• Meilisearch

• Million Short

• Mimvi

• Myriad Search

• Openbook

• OpenSearchServer

• Pubget

• Q-go

• Quixey

• Sci-Hub

• SinglePoint

• SMART Information Retrieval System

• Sparrho

• Sphinx

• Svensk mediedatabas

• Swiftype

• Thunderstone Software

• Yandex Data Factory

• Yaoota Shopping Engine

• Yebol

• Zedge

Free
• Apache Lucene

• Apache Nutch

• Apache Solr

• Datafari Community Edition

• DocFetcher

• Gigablast

• Grub

• Ht-//Dig

• Isearch

• Meilisearch

• Typesense

• MnoGoSearch

• OpenSearch

• OpenSearchServer

• PHP-Crawler

• Manticore

• StrangeSearch

• SWISH-E

• Terrier Search Engine

• Vespa

• Xapian

• YaCy

• Zettair