Haystack
Deepset framework for production-ready search and RAG: pipelines, document stores, and evaluation for QA systems.
Why it is included
Mature OSS choice when retrieval quality, eval, and pipeline composition are first-class requirements.
Best for
Teams building enterprise search and grounded QA with explicit pipeline graphs.
Strengths
- Pipeline design
- Eval tooling
- Integrations
Limitations
- Heavier conceptual model than minimal RAG scripts
Good alternatives
LlamaIndex · LangChain · txtai
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