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LangChain

Framework for building LLM-powered applications.

Free💻 Code & Development

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frameworkllmagentsragopen-sourcepython

About LangChain

LangChain is the most popular framework for building applications with large language models. It provides components for chains, agents, memory, retrieval, and tool use — and has spawned a rich ecosystem of integrations.

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Listed 20 April 2026 · www.langchain.com

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