Open Source Alternatives to LlamaIndex

Looking to replace LlamaIndex? We found 2 top open source tools that provide similar or better functionality without the vendor lock-in.

Framework for building LLM-powered applications. Chains, agents, and retrieval-augmented generation.

Alt: LlamaIndex, Semantic KernelPython

NLP framework for building search, question answering, and conversational AI pipelines.

Alt: LangChain, LlamaIndexPython