Visual Paradigm Online is a web-based diagramming software designed for fast creation of technical and business drawing. Its free UML design tool lets you create UML activity diagram easily through drag-and-drop. The Free Edition is free for non commercial use and supports not only UML activity diagram but also the other UML diagrams and ERD.
Free UML software ready for non commercial uses!
Online drawing can be simple. Here are some of the editing features that help you draw diagrams effortlessly:
A range of powerful diagramming tools are there to support you in producing great activity diagrams:
Try it yourself. Just browse the Activity Diagram examples below and click Open Diagram to open and edit. You will see for yourself that it is everything we say it is, or perhaps more.