Cost / License
- Freemium
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Google Chrome
- Firefox

One of the most popular alternatives to Dia is draw.io, which is free and open source. Other popular alternatives are Excalidraw, LibreOffice - Draw, yEd Graph Editor and Lucidchart. There's no shortage of Diagram Editors like Dia, with more than 50 alternatives for Windows, the web, Mac, Linux and iPad.


Professional business process modelling on Microsoft platforms. Instantly turn your Visio files into structured corporate model. Enterprise Explorer instantly reveals all corporate business objects and metadata behind your regular office files.




Diagraw is a free online whiteboard and diagram editor that runs in your browser — no install and no signup to start. On an infinite, hand-drawn ("sketchy") canvas you can draw diagrams, software architecture, flowcharts and mind maps, with arrows that re-route...

Osketch is a vector graphic design tool. It's lightweight, easy to use, and powerful. Osketch has many modern features. In Osketch, you can use any graphic as a mask, fill a shape with multiple modes, layout texts on a path...




Managing architectures shouldn't require deciphering outdated diagrams. Lynara bridges code and design, offering a stunning 3D platform to visualize your technical ecosystem.




ExcalidrawZ is a native Excalidraw client for Mac, iPad, and iPhone, designed for hand-drawn whiteboards, diagrams, sketches, visual notes, and technical explanations.




Diagram-Generator is an AI-powered platform that transforms your ideas into professional diagrams and infographics. Simply describe what you want, and our AI creates it in seconds. We offer two modes: Draft Mode (free, unlimited, editable Mermaid diagrams) and Pro Vision...

A diagram editor for architecture, process and software diagrams. Runs in the browser or as a desktop app and saves diagrams as readable YAML.



Sketch, walk through, and share system design flows. Drag components, connect them, and present each interaction step by step — no account needed to try.


Merit Modeler is a free desktop diagramming tool for creating Flowcharts, Use Case and Data Flow diagrams. It helps you visualize processes, document software systems and communicate ideas clearly. Because it runs locally on your computer, it is fast, secure and fully available...




It's an OpenSource WhiteBoard app with very useful features ("magnets"). There's a running instance at github.io. You can save & reopen your boards...



