Dia Diagram Editor for Windows

Dia Diagram Editor is an open source visual-editing program that can be used to draw many different types of diagrams. It currently supports UML diagrams, entity relationships, flowcharts and network diagrams. You can also add support for new shapes by creating simple XML files using a subset SVG to draw them. It can save and load diagrams to a custom XML file, can export diagrams in a variety of formats including EPS, SVG and WMF, and can even print diagrams (including multiple pages).

Dia Diagram Editor can create all kinds of diagrams, including electronic circuit diagrams and computer network diagrams. It can also create flowcharts for business projects.

These are the key features:

Scriptable via Python. More than 1000 predefined symbols and objects. Numerous import and export formats. Multi-language support.

Dia Diagram Editor supports more than 60 languages, including Thai, Korean, French and Ukrainian.

Overall, Dia Diagram Editor is simple to use, has extensive language support, and has a small footprint. It is easy to use, and you can export diagrams using a variety of image formats, including Visio, Microsoft's premium visual-editing program.