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Flowise
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.
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
Pricing
Free
$0Completely 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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