UMLet is an open-source UML tool with a simple user interface: draw UML diagrams fast, export diagrams to eps, pdf, jpg, svg, and clipboard, share diagrams using Eclipse, and create new, custom UML elements.




UMLet vs Microsoft Visio Comments
you can draw stuff by writting simple scripts!!!!


- UMLet is Free and Open Source


































































Easier to use, more flexible, individual tool set for every type of diagram.