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Flowise

AI Automation ToolsFree

Open-source drag-and-drop UI tool for building LLM apps and AI agent flows. Create RAG pipelines, chatbots, and AI chains visually — completely free.

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Overview

Flowise is an open-source, drag-and-drop tool for building LLM-powered applications and AI agent workflows visually. It is built on LangChain and allows you to create RAG (Retrieval-Augmented Generation) chatbots, AI agents, and complex LLM chains without writing code. Flowise is completely free to use and can be self-hosted in minutes. It is perfect for developers and technical teams who want to prototype and deploy AI workflows quickly. The active open-source community continuously adds new integrations and features.

Key Features

  • Drag-and-drop LLM workflow builder
  • RAG pipeline creation for document Q&A
  • AI agent and chain building
  • Built on LangChain
  • Completely free and open-source
  • Self-host in minutes with Docker

Best For

Developers building LLM applications
Technical teams prototyping AI workflows
Open-source enthusiasts
Anyone building RAG chatbots

Pricing

Free

$0

Completely free and open-source

Pricing may change — always check the tool's official website for current plans.

Pros & Cons

Pros

  • Completely free with no limits
  • Open-source with active community
  • Great for LLM and RAG workflows
  • Easy self-hosting with Docker

Cons

  • Requires technical knowledge to set up
  • No managed cloud option officially
  • Debugging complex flows can be tricky

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