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Flowise

Open-source drag-and-drop AI workflow builder — LangChain made visual

4.2/ 530,000 GitHub starsTypeScript/Node.jsMIT
GitHubRun Locally

⚡ TL;DR

What
Open-source drag-and-drop AI workflow builder — LangChain made visual
Who
Developers who want visual workflow building, Teams needing rapid AI deployment, Anyone who finds LangChain code-heavy
Catch
Less feature-rich than Dify (fewer built-in tools)
Verdict
⭐⭐⭐⭐ Essential

🎯 The Problem It Solves

You want to build AI workflows with LangChain but don't want to write all that Python code. Flowise provides a visual drag-and-drop interface where you chain nodes (prompt, RAG, tools, output) into workflows, then deploy as an API. Fastest path from idea to production AI workflow.

🔧 How It Works

Flowise is a Node.js web app with a visual canvas. You create "flows" by connecting nodes: chat input → conversation chain → memory → prompt → LLM → output. Each node handles one concern. Built-in nodes: chat models (OpenAI, Ollama, etc.), vector stores, document loaders, chains, agents, tools, and more. Deploy flows as REST endpoints.

🚀 Installation & Quick Start

Installation

docker run -d -p 3000:3000 flowiseai/flowise

Quick Start

  1. docker run -d -p 3000:3000 flowiseai/flowise
  2. Open http://localhost:3000
  3. Create new flow
  4. Drag nodes: ChatOpenAIC → Prompt → LLM Chain → Output

✅ Pros

  • •Zero-code visual builder
  • •LangChain compatible
  • •Open-source (MIT)
  • •Active development
  • •Most polished no-code builder

❌ Cons

  • •Less feature-rich than Dify (fewer built-in tools)
  • •Node crashes with complex flows
  • •Documentation lags behind development

💬 Practitioner Verdict

"Flowise is the fastest way to build an AI workflow. If you want a chatbot with RAG behind it in 10 minutes, this is the tool. It's simpler than Dify but does core workflows better."
— AI RepoIndex, Security Reviewer

📊 Specifications

Language
TypeScript/Node.js
License
MIT
Platform
Linux, macOS, Windows, Docker
Kill Chain
None

💰 Pricing Reality

Flowise is completely free (MIT license). No paid tiers.

👥 Community Health

Stars30,000
Forks4,000
Contributors100
Health Score9/10

🏷️ Tags

Open SourceSelf-HostedDockerAgent

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