About Dia Diagram Editor
A free structured diagram editor for flowcharts and UML.
Built for Windows, Dia Diagram Editor brings solid graphics features together in a clean, no-nonsense package. It ships with flowcharts and uml and shape libraries, and everything is a click away from the moment you open it.
Grab the newest Dia Diagram Editor build for Windows here in one click, with no ads and no registration.
Key features
- ✓Flowcharts and UML
- ✓Shape libraries
- ✓Export to many formats
- ✓Open source
Requirements
Windows 10 / 11, 64-bit
Dia Diagram Editor — frequently asked questions
Is Dia Diagram Editor free to download?+
Yes. Dia Diagram Editor is free and open source, so you can use it at no cost.
Is Dia Diagram Editor safe to download?+
Yes. HivApps links to the latest Dia Diagram Editor build and keeps listings clean, with no bundled extras. As always, keep your antivirus on and only install software you trust.
What is the latest version of Dia Diagram Editor?+
The latest version listed here is Dia Diagram Editor 0.98, updated Aug 14, 2026.
What do I need to run Dia Diagram Editor?+
Windows 10 / 11, 64-bit
How do I install Dia Diagram Editor on Windows?+
Click the Download button on this page, run the installer once it finishes downloading, and follow the on-screen setup steps.
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Latest version (0.98) · Safe & clean