Violet is a UML editor with these benefits: Very easy to learn and use. Draws nice-looking diagrams. Completely free. Cross-platform. Violet is intended for developers, students, teachers, and authors who need to produce simple UML diagrams quickly.

Eclipse Mode Development Tools is described as 'The Model Development Tools (MDT) project focuses on big "M" modeling within the Modeling project. Its purpose is twofold:' and is a UML Modeling tool in the development category. There are more than 25 alternatives to Eclipse Mode Development Tools for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best Eclipse Mode Development Tools alternative is Lucidchart, which is free. Other great apps like Eclipse Mode Development Tools are PlantUML, Visual Paradigm, Umbrello and StarUML.
Violet is a UML editor with these benefits: Very easy to learn and use. Draws nice-looking diagrams. Completely free. Cross-platform. Violet is intended for developers, students, teachers, and authors who need to produce simple UML diagrams quickly.

WhiteStarUML is a fork of StarUML with an intent to revive its Delphi code base by updating code to recent Delphi editions, reducing dependence on third party components and fixing bugs and adding new features.




UMLGraph allows the declarative specification and drawing of UML class and sequence diagrams. The current features are part of an ongoing effort aiming to provide support for all types UML diagrams.

ClassBuilder is freeware CASE tool targeted at the C++ developer, running on Win2K-XP. It lets you create, manipulate and navigate classes, class relations, class members and class methods at a high level of abstraction through a graphical user interface.


BOUML is a free UML 2 tool box (under development) allowing you to specify and generate code in C++, Java, Idl, Php and Python.

MockupTiger is a web based application that helps you to build fluid wireframes, mockups or prototypes for your next web application or desktop software.

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 .
Dont lose the advantage of clarity and simplicity to an overly complicated tool - the Poseidon for UML software line lets you get down to work without entanglements in your development environment. Powerful features such as round trip engineering and documentation generation...
Whether you are a Business Architect, System Architect, Developer, Analyst or Designer, Modeliosoft meets your needs through its high quality solutions for modeling, and report, architecture or code generation.



