UML Diagramming Simplified.
A lightweight app for creating nice looking UML class diagrams, with a clear design and easy to use.
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I've played with lots of UML tools, and this one really stands out. It's both simple and fun!
Happy-Days619, macOS User
Why use UMLBoard
Save Time
UMLBoard offers a simple, lightweight interface with essential functions just a click away. No additional setup or configuration required - Just start drawing right away!
Share your Ideas
UML diagrams are often about illustrating essential aspects of your design. Use UMLBoard to create conceptual diagrams and to share your ideas with other stakeholders.
Create Stunning Visuals
Whether you want to document your code or illustrate your architecture for an assignment, a research paper, or your personal development blog: UMLBoard's hand-drawn styled diagrams are real eye-catchers!
One price, no subscription required.
Get it now, for Mac, Windows or Linux.
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Excellent!
Great app, simple and effective. I have been using for keeping notes when im reading. Only thing that im lacking is the ability to have multiple diagrams open at the same time. Keep up the good work.
A lovely little app!
Hold control, tap anywhere, and you get a thoughtfully designed modal to add an object. And of course a simple drag to connect objects. It's limited on features, and the results look as disposable as an ink drenched napkin. Exactly what I wanted!
Delightful App
Delightful App. Painless, intuitive UI. Replaces my "Where do I have my paper scribbles from last time?" Makes UML Class Diagramming fun.
I love it.
It's a great app (so great in fact, that I immediately bought it on the Windows Store as well). This UML app has just the right amount of depth to quickly set up a model or communicate stuff to coworkers.
Simple and flexible
It has been a surprise. The tool is simple in concept and options but yet it is very flexible. It enables me to draw complex diagrams easily and quickly.
Great App
Can you now make a similar for sequence diagrams :)
 
Still not convinced ?
Okay, here are some more features:
Intuitive User Interface
UMLBoard provides a clean, minimalistic user interface with in-place editing and full WYSIWYG support.

While other UML tools require several dialog steps to change a single class property, any editing option in UMLBoard is only a click or keystroke away.

It also keeps track of all the class references in your diagram and updates them automatically whenever a change happens.
Powerful Export Options
UML diagrams are often part of documentation and specifications or used to illustrate architectural concepts in blogs or research papers.

That's why UMLBoard enables you to export your diagrams in various formats, including SVG, PNG, or PDF. You can even save them as plain PlantUML text for further editing.
Flexible Customization
Are you more on the dark side of color themes? Or do you prefer more bori...uh, formal enterprise-like diagram styles?

Sure, whatever you want: Customize your diagrams with unique options like chalkboard backgrounds, crumbled paper textures, vibrant color themes, and diverse drawing styles.

Your diagrams, your creativity!
Pay once, use forever
UMLBoard is a one-time purchase. Start right away - no subscription or registration required.
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UMLBoard
One-time payment for a single user.
$4.99*
Pay once, use forever
All features included
Free updates
No subscription required
Your data stays with you
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* US base price. Actual price may vary depending on foreign exchange rates and local taxes.
Frequently Asked Questions
What is this tool actually good for?
What types of diagrams does UMLBoard support?
What about this UML stuff, is it still a thing?
There are plenty of UML designers available, what`s so special about this one?
How often will there be updates?
Is my data secure with UMLBoard?
These hand-drawn diagrams look nice, but I would need a bit more business-like style...
I`m a NASA engineer and want to model our Mars lander with 1bn LOC. Can I use this tool for that?
Wait, I have another question!
Sure, we've got you covered, please use the Contact form to send your question.
Get in Touch
Are you missing a feature or need any additional functionality in UMLBoard?

Feel free to reach out, and I will see what I can do for you.
Also, whether you have questions about UMLBoard, need assistance, or just want to say hello, simply send me a note.
Send a message
if you want to get a response, you should definitely provide your email.