Open Source Alternatives to LangChain

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

Data framework for LLM applications. Connect custom data sources to large language models.

Alt: LangChain, HaystackPython

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

Alt: LangChain, LlamaIndexPython