The Fast UML Sequence Diagram Editor

Are you using the right tool for the job?

Trace Modeler is the sequence diagram editor that lets you work smart instead of hard.

Its intelligent drag&drop interface and automatic diagram layout is guaranteed to make you more productive.

Use it to capture requirements, design new solutions and document existing systems.

  • Have you ever pondered the design of a solution before coding it?
  • Are you convinced that documenting key interactions is a worthwhile investment?
  • Do you find that drawing UML sequence diagrams is harder than it ought to be?

If so, let Trace Modeler work hard on your graphics while you focus on the content!

Watch a 30 sec demo

Start using Trace Modeler today!

30-day fully functional trial
No installation required!


Think about the last time you had to deal with sequence diagrams, where did you spend most of your time? On the actual content or struggling with shapes and layout issues?

Trace Modeler is an easy-to-use and innovative editor that makes working with sequence diagrams a pleasant experience... How's that for a change?

  • It has an intuitive drag&drop interface that know of about the flow of control in your diagram and adapts accordingly
  • Whenever you make a change, the layout adjusts instantly and automatically. No more wrestling with shapes or connectors!
  • Your diagrams are always visually pleasing and always structurally correct!

Trace Modeler will save you a tremendous amount of time, plain and simple.

In fact, working with Trace Modeler is so easy and time-efficient that detailed design with UML sequence diagrams is finally feasible!

And it looks great too : transparency effects, animations, cross-platform Look and Feel, zoomable UI, WYSIWIG, drag&drop, in-place text editing and more!

Watch a 30 sec demo