Open-Source Visual AI Workflow Builder

Build AI Workflows Visually

Connect nodes to generate content, analyze data, and automate tasks. Run models locally or via cloud APIs.

NodeTool visual workflow editor

Start Here

NodeTool is a visual workflow builder for AI pipelines—connect nodes for images, video, text, data, and automation. Run locally or deploy to RunPod, Cloud Run, or self-hosted servers.

Who uses NodeTool?

Creators & Designers

Generate and transform media with AI.

  • Use Flux, Qwen Image, and custom models
  • Generate variations
  • Build reusable workflows

Developers & Researchers

Build agents, RAG systems, and pipelines.

  • Design multi-step LLM agents
  • Index and query documents locally
  • Deploy workflows as APIs

Data & Business Users

Process documents and automate tasks without coding.

  • Process data with AI pipelines
  • Automate document workflows
  • Build custom tools

What you can build right away

Your first 10 minutes

  1. Download NodeTool — install for macOS, Windows, or Linux.
  2. Choose your AI models — install local models like Flux or Qwen Image, or use cloud services.
  3. Try a template workflow — explore examples, press Run, watch results stream.
  4. Experiment and customize — change inputs, connect nodes differently, make it yours.
  5. Share your workflow — turn it into a simple app others can use.

Choose your path

Local-first or cloud-augmented

Local-only mode

All workflows, assets, and models run on your machine for maximum privacy and control.

  • Use MLX, llama.cpp, Whisper, and Flux locally
  • Store assets on disk or your own storage
  • Work offline once models are downloaded
Storage options →

Cloud-augmented mode

Mix local AI with cloud services for flexibility. Use the best tool for each task.

  • Add API keys for OpenAI, Anthropic, Replicate
  • Access the latest cloud models on demand
  • Deploy workflows to cloud infrastructure
Models & Providers →

Key Features

🎯 Visual Editor

Build workflows by connecting nodes. No coding required. View the entire pipeline on one canvas.

👁️ Real-time Debugging

See every step execute in real-time. Inspect intermediate outputs. Streaming execution shows progress as it happens.

🔒 Local Execution

Run LLMs, Whisper, and diffusion models on your infrastructure. Cloud APIs are opt-in.

Popular destinations

Build with the community

NodeTool is open-source under AGPL-3.0. Join the Discord, explore the GitHub repo, and share workflows with other builders.