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