چکیده (انگلیسی):

As a result of the development of web 3.0, web technologies now make it possible for each user to collaborate
in performing a task. This technology allows us to draw UML diagrams online and collaborate on a software
project. Unified Modeling Language is one of the architectural modeling software that is widely used by
software developers. This research aims to develop a modeling tool UML diagrams are class diagrams, use
case diagrams and activity diagrams based on pre-existing web using HTML 5 technology combine with
JSON Service that allows the software developer to work on the same project UML and collaborate each other
with good performance more faster than ordinary web.