Diagrammix is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The best Windows alternative is diagrams.net, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Diagrammix and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Diagrammix are LibreOffice - Draw (Free, Open Source), yEd Graph Editor (Free), Dia (Free, Open Source) and PlantUML (Free, Open Source).
diagrams.net (previously draw.io) is a free online diagram drawing application for workflow, BPM, org charts, UML, ER, network diagrams. No login or registration are required and features include the ability to save locally (including SVG), a range of stencils, .
Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a an excellent package for producing technical drawings, general posters, and much else.
PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE, programming language, documentation generator, and others.
Microsoft Office Visio makes it easy for IT and business professionals to visualize, explore, and communicate complex information. Go from complicated text and tables that are hard to understand to Visio diagrams that communicate information at a glance.
Graphviz is open source graph visualization software. It has several main graph layout programs. It also has web and interactive graphical interfaces, and auxiliary tools, libraries, and language bindings.
MindManager’s flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony. Capture ideas. Manage meetings. Create strategic plans. Organize anything. Watch the video to see how you can do more with MindManager.
Create deep visual documents, adaptable and multi-level diagrams, flowcharts, concept maps, mind maps and models. Users can: - Define their own types of nodes and connectors, to reuse nomenclature, symbols, details structure.