Uml is Simple and effective tool that helps to create the Visual representations of workflows using flowcharts and diagrams. It can be used by anyone. Its jot required any Development skill to use this. But if you know coding then its an advantage. As a Business Analyst this tool helps me a lot to create Flowcharts, User stories , Use case diagrams etc. Its really helped me in my Professional career. I will recoomend this tool to the persons who is looking for the tools that help you for creating visual diagrams.

yUML allows it's users to that are not designers to a way to create diagrams with text commands.