YaCy
Search EnginesDecentralized peer-to-peer web search engine
Replaces Google Search, Bing
Best Multi-User Search Engines for self-hosting
The 6 best Multi-User search engines you can self-host, ranked by community traction.
Mwmbl
Search EnginesFree, open-source and non-profit web search engine
Replaces Google Search, Bing
Fess
Search EnginesPowerful enterprise search server easy to deploy
Replaces Google Search Appliance
Meme Search
Search EnginesAI-powered meme search engine
MetaGer
Search EnginesPrivacy-respecting metasearch engine you can host
Replaces Google Search, Bing
PeARS
Search EnginesLightweight distributed web search you can host yourself
Replaces Google Search
No apps match these filters.
Every option here is open-source and self-hostable, tagged Multi-User within the search engines category. Compare them on the individual app pages for setup difficulty and resource requirements.