Capability layer
RAG & knowledge
Retrieval pipelines that ground a model's answers in your own documents and data.
LlamaIndex
★RAG & knowledge
A data framework for connecting language models to your own documents and structured data.
Cognita
RAG & knowledge
An open-source, modular RAG framework from TrueFoundry for taking pipelines to production.
Haystack
RAG & knowledge
deepset's open-source framework for composable, production-grade search and RAG pipelines.
LLMWare
RAG & knowledge
An open-source framework for enterprise RAG pipelines tuned around small, specialized models.
PrivateGPT
RAG & knowledge
An open-source project for asking questions of your documents fully offline and private.
Quivr
RAG & knowledge
An open-source RAG framework and "second brain" for chatting with your files and data.
R2R
RAG & knowledge
An open-source "RAG to riches" engine with ingestion, retrieval, and agentic search built in.
RAGFlow
RAG & knowledge
An open-source RAG engine built on deep document understanding, designed to run as a complete app.
txtai
RAG & knowledge
An all-in-one open-source embeddings database for semantic search, RAG, and LLM workflows.
Verba
RAG & knowledge
Weaviate's open-source RAG application — a ready-to-run chatbot for your own documents.