LangChain alternatives

Tools that could take the place of LangChain, ranked by the stacks builders put them in rather than by stars alone.

Other frameworks in the runchr registry that do the work of LangChain — a tool somebody pairs with it ranks above a more popular stranger. Read the LangChain page or browse every frameworks.

  • LangGraphFrameworksused with it in 2 stacks44.6k

    Model an agent workflow as a graph with state and checkpoints.

  • BinduFrameworksused with it in a stack10.0k

    Wrap any agent handler to give it identity, A2A messaging, and x402 payments.

  • ai-agent-bookFrameworksdoes the same work57.4k

    Open-source book on AI agent design with 109 hands-on experiment projects.

  • nanobotFrameworksdoes the same work49.9k

    Lightweight self-hosted Python framework for building personal AI agents.

  • haystackFrameworksdoes the same work26.9k

    Python framework for building RAG pipelines and agent workflows.

  • botpressFrameworksdoes the same work15.0k

    Open-source platform and SDK for building and deploying LLM chatbots and agents.

  • PocketFlowFrameworksdoes the same work11.3k

    100-line minimalist LLM framework for building agents and workflows.

  • voltagentFrameworksdoes the same work10.9k

    TypeScript framework for building agents with memory, tools, workflows, and MCP.

  • PraisonAIFrameworksdoes the same work9.3k

    Open-source Python framework for building private, offline-capable AI agents.

  • harness-sdkFrameworksdoes the same work9.1k

    Open-source Python and TypeScript SDK for building production AI agents.

  • ruoyi-aiFrameworksdoes the same work5.8k

    Java framework for building multi-agent AI apps with RAG and workflows.

  • ruby_llmFrameworksdoes the same work4.5k

    Ruby framework for building AI agents with tools, MCP, and 23 providers.