Open Source Enterprise Search & Discovery Tools
2 open source search engines you can self-host. Compare Elasticsearch, Algolia, and Typesense alternatives by relevance, speed, and license. Updated Sept 2026.
Onyx
Open-source AI platform for enterprise search across company data
SearXNG
Privacy-first metasearch engine that aggregates results with no tracking
Typesense
Typesense is an open-source, typo-tolerant search engine built for fast instant-search experiences, and a self-hosted alternative to Algolia. It holds indexes in memory for sub-50ms queries, ships with sensible relevance defaults, and adds faceting, filtering, geo-search, and vector/semantic search. Official clients and framework adapters (InstantSearch, Next.js, Laravel) make integration quick.
Meilisearch
A lightning-fast, developer-friendly search engine that enables seamless, intuitive search experiences across applications and websites with advanced features and easy integration.