Various search databases and backends as alternatives to Elasticsearch.
- Sonic: https://github.com/valeriansaliou/sonic
- Tantivy: https://github.com/tantivy-search/tantivy
- Toshi: https://github.com/toshi-search/Toshi built on top of Tantivy
- Bayard: https://github.com/bayard-search/bayard also built on top of Tantivy
- MeiliSearch: https://github.com/meilisearch/MeiliSearch
- Xapiand: https://github.com/Kronuz/Xapiand
- Typesense: https://github.com/typesense/typesense
- Manticore: https://github.com/manticoresoftware/manticoresearch
- Bleve: https://github.com/blevesearch/bleve
- Blast: https://github.com/mosuka/blast built on top of Bleve