OpenFlowKit

OpenFlowKit is an AI diagramming tool that offers free, local-first architecture diagrams, flowcharts, and system design. It provides editable exports and requires no signup, making it ideal for builders.

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At a glance

Pricing

Free · Open Source

Free tier

Yes

API

Skill level

Technical

Product Hunt

About

What is OpenFlowKit?

OpenFlowKit is a free, open-source, local-first AI diagramming tool designed for engineers, architects, technical founders, and product teams. It allows users to create architecture diagrams, flowcharts, and system designs with AI assistance, offering editable exports rather than static images. The tool supports various input methods, including pasting JSON, React components, Prisma schemas, or SQL dumps, which its AI engine parses to build living canvases instantly. Key features include a cinematic export engine for presentation-ready animations, diagram-as-code capabilities, and an AI assistant for drafting and refining diagrams. OpenFlowKit emphasizes privacy with local storage and the option to bring your own API key for AI functionalities. It also offers seamless integration with Figma for editable vector exports and supports multiplayer collaboration.

Best used for

Ideal for engineers, architects, and product teams who need to design complex system architectures, create dynamic flowcharts, and generate presentation-ready animated diagrams. Especially valuable for those prioritizing privacy, local storage, and editable exports over static AI image outputs.

Common actions

create diagrams

design system architecture

generate flowcharts

export editable diagrams

collaborate on diagrams

design toolsopen-sourceDeveloper ToolsGitHub

Capabilities

Key features

AI diagramming
Cinematic export engine
Diagram as code
Figma vector export
Multiplayer collaboration
Local-first storage
Bring your own API key

Target Audience

developerstartup founderproduct managerux designer

Integrations

figmagithub

Pricing & Plans

Free · Open Source

Free, open-source.

FAQs

Does OpenFlowKit require an account or signup?

No, OpenFlowKit does not require any account creation or signup. You can start diagramming immediately upon visiting the website, maintaining a local-first and privacy-focused workflow.

How does the AI functionality work in OpenFlowKit?

AI is optional in OpenFlowKit. Users can add their own OpenAI or Anthropic API key in the settings. This key is stored securely on your device, allowing you to use AI within the editor to draft, refine, or expand your diagrams.

Can I export my diagrams to other tools like Figma?

Yes, OpenFlowKit allows you to export diagrams to native Figma vector layers, SVG, PNG, MP4, GIF, or JSON. You can copy a diagram and paste it directly into Figma, retaining editable text and clean vector shapes without needing plugins.

What kind of diagrams can I create with OpenFlowKit?

OpenFlowKit is designed for architecture diagrams, flowcharts, and system design. It supports various inputs like JSON, React components, Prisma schemas, or SQL dumps to instantly build living canvases.

Is OpenFlowKit truly free and open source?

Yes, OpenFlowKit is 100% free and open source, licensed under the MIT License. There are no hidden enterprise editions or features locked behind a paywall, ensuring full access to its core engine forever.

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Coding & Development › Documentation Content & Design › Graphic Design Coding & Development › Open Source & Models Content & Design › UI/UX Design

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