ArgoUML is not available as a web app but there are some alternatives that runs in the browser with similar functionality. The best Online alternative is PlantUML, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to ArgoUML and ten of them are available as a web app so hopefully you can find a suitable replacement. Other interesting Online alternatives to ArgoUML are System Designer, jsUML2, GenMyModel and yUML.
PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams. The generator can be run anywhere within JVM and integrated with various application such as wiki, text editor, IDE, programming language, documentation generator, and others.
Integrated development environment that can help you define models for your applications in a streamlined manner and test the results.
A lightweight HTML5/javascript library for UML 2 diagramming.
Alpha software. This project is in progress. Many functionalities are ready to be used. Nevertheless, some features and developments will not be neccessarily available for download.
GenMyModel is an online modeling plateforme for UML, BPMN2, Database, Flowchart and more. It supports realtime collaboration, centralized model repository, versioning and full traceability.
the Chronos Web Modeller is a collaborative tool for the creation of UML models with reporting, code and document generator .
The PlantText tool is an online tool for quickly creating UML (Unified Modeling Language) diagrams. Unlike most tools, PlantText can build diagrams without the use of a mouse because it is based on PlantUML markup language.
A simple way of describing graphs and include it easily in your web for free, blog, markdown page, github, and any location where remote images can be showed.
MockupTiger is a web based application that helps you to build fluid wireframes, mockups or prototypes for your next web application or desktop software.
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