draw.io

Unclaimed Editor reviewed

Free diagramming tool

UI/UX Design Whiteboard Diagramming

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4.5(1,212 across the web)

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TL;DR - draw.io

Free, security-first online and desktop diagramming tool.
Offers real-time collaboration and AI-powered diagram generation.
Integrates with major platforms like Google Drive, Microsoft 365, Atlassian, and GitHub.

Pricing: Free forever

Best for: Individuals & startups

4.5/5 across review platforms

Pros & Cons

Pros

Completely free
No account required
Works offline

Cons

Less polished UX
Limited collaboration

Ratings Across the Web

4.5(1,212 reviews)

Ratings aggregated from independent review platforms. Learn more

Key Features

Diagram creationFlowchartsUML diagramsCloud storage integrationOffline supportFree and open source

Pricing Plans

Free

Unlimited diagrams
All diagram types
Google Drive integration
OneDrive integration
Local storage
Open source

Confluence/Jira Cloud

$1.7/user/month

All Free features
Atlassian integration
Team collaboration
Page attachments storage

Data Center

Custom

Self-hosted
Enterprise features
SSO integration
Priority support

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What is draw.io?

Editorial review

draw.io (also known as diagrams.net) is a free, open-source diagramming tool. Create flowcharts, network diagrams, UML, org charts, and more in your browser. Works offline and integrates with Google Drive, OneDrive, and Confluence. Extensive shape libraries cover every use case. Export to PNG, SVG, PDF, and other formats. No account required, completely free. The diagram tool that proves free can be best-in-class.