draw.io

draw.io, also known as diagrams.net, is an open source diagramming application. People use it to draw flowcharts and other diagrams in the browser or in a desktop app, without having to register.

What draw.io offers

• Diagram editor — a full set of drawing tools for professional diagrams.
• Real-time collaboration — shared cursors for people editing together.
• Choice of storage — files stay where the user decides, and the makers say they cannot read them.
• Backwards compatibility — files made in 2005 still open today.
• Export and embedding — SVG, PNG and PDF output, plus diagrams embedded in documents and wikis.

Who it works with

The site speaks to teams and individuals, and says the application has more than 100 million users.

Key facts

• Licence: Apache 2.0 open source.
• Integrations: Google Drive, Microsoft SharePoint, OneDrive and Teams, Atlassian Confluence and Jira, GitHub, VS Code and Notion.
• Ownership: a private company that is not venture-funded.
• Since: 2005.