Tool · Web and desktop app

draw.io

draw.io · drawio.com Free Beginner

The free, open-source diagram editor (also known as diagrams.net): free forever, no sign-up, and your files stay wherever you save them. It has shape libraries for flowcharts, org charts, network, cloud, UML and ER diagrams.

  • Use the desktop app if diagrams must stay on your machine.
  • Anyone can open and edit a draw.io file, so there is no licence to buy for collaborators.

The question it answers

  1. Which free tool should I use to draw flowcharts, org charts and diagrams?

Read with it

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  4. Mermaid turns a few lines of text into flowcharts, sequence diagrams, ER diagrams and more. Because the diagram is text, an AI... mermaid.js.org Tool · Docs and live editor Mermaid Mermaid
  5. GitHub's guide to drawing Mermaid diagrams directly in READMEs, issues and pull requests. docs.github.com Article · 5 min read Creating diagrams on GitHub GitHub
  6. The open-source tool that draws UML diagrams (sequence, class, activity and more) from simple text descriptions, standard in... plantuml.com Tool · Docs PlantUML PlantUML
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