Diagramo is an online flowchart software
- diagrams (create, edit and share)
- organization charts (create, edit and share)
- network diagrams (create, edit and share)
- graphs (create, edit and share).
Cost / License
- Free
- Open Source
Platforms
- Online

draw.io is described as 'Privacy-focused diagramming software supporting real-time collaboration, offline mode, and cloud storage without ads or registration' and is a leading Diagram Editor in the development category. There are more than 100 alternatives to draw.io for a variety of platforms, including Web-based, Windows, Mac, Linux and SaaS apps. The best draw.io alternative is Dia, which is both free and Open Source. Other great apps like draw.io are LibreOffice - Draw, Excalidraw, yEd Graph Editor and TreeSheets.
Diagramo is an online flowchart software

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