What are the best alternatives to Danswer (Onyx)?

The top alternatives to Danswer (Onyx) are Supabase, Chroma MCP Server, Weaviate, ranked by real usage data on Unfragile.

Are there free alternatives to Danswer (Onyx)?

Yes, 18 free alternatives to Danswer (Onyx) exist, including Supabase, Chroma MCP Server, Weaviate.

20 alternatives ranked by real usage data. Danswer (Onyx) scores 56/100 — 20 tools score higher.

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20 alternatives

18 free options

20 score higher

Open-source Firebase alternative — Postgres + pgvector, auth, storage, edge functions, real-time.