draw.io (diagrams.net)
Free, open-source diagramming tool for flowcharts, UML diagrams, and visual documentation
4.4/ 5
25M+monthly
2005
FreeCompletely free and open-sourceOpen Source web mac windows linux
Visit draw.io (diagrams.net)About draw.io (diagrams.net)
draw.io (now diagrams.net) is a free, open-source diagramming and visualization software used by millions for creating flowcharts, UML diagrams, network diagrams, org charts, and more. It works in the browser without an account and integrates with Google Drive, GitHub, and Confluence for embedded diagrams. Despite being free, it offers professional-grade diagramming capabilities.
Key Features
- 100+ diagram types
- Works without account
- Google Drive and OneDrive integration
- GitHub and Confluence embedding
- XML-based diagram format
- Desktop app available
- Offline capability
- Import from Visio, Lucidchart
Pros
- Completely free with no limitations
- Works without creating an account
- Open-source and privacy-friendly
- Good Google Drive integration
- Import from other diagramming tools
Cons
- Less polished interface than Lucidchart
- No native collaboration features
- AI features are minimal
- Sharing requires external storage
Tags
diagrammingflowchartsopen-sourceuml-diagramsfree-toolstechnical-docs
Alternatives to draw.io (diagrams.net)
01Lucidchart
AI-powered diagramming platform for flowcharts, org charts, network diagrams, and technical docsWhimsical
Fast, beautiful workspace for wireframes, flowcharts, and mind maps with minimal interface.Miro
Visual collaboration platform with infinite canvas, 5000+ templates, and 160+ integrations.More Presentations & Documents ToolsView All
01Gamma
AI presentation maker creating polished slide decks with design and content from simple promptsBeautiful.ai
AI presentation tool with smart templates that automatically maintain professional design rulesCanva Magic Design for Presentations
Canva's AI presentation tool creating visually stunning slides from prompts using vast template libraryMicrosoft Copilot for PowerPoint
AI assistant integrated into PowerPoint for generating and refining professional presentationsGemini for Google Slides
Google's AI assistant in Slides for generating presentations and creating custom visualsPlus AI
AI add-on for Google Slides and PowerPoint that generates and edits presentations natively