astah Community Edition

Astah Community is an add-on tool for your UML that is ready to use the instant you download it, allowing your UML to be quickly and easily enhanced, and refining your...

Free Windows Linux

WhiteStarUML

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...

Free Open Source Windows

Violet UML Editor

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...

Free Open Source Mac OS X Windows Linux

NClass

NClass is a free tool to easily create UML class diagrams with full C# and Java language support. The user interface is designed to be simple and user-friendly for easy...

Free Open Source Windows Linux

DB Designer

DBDesigner 4 is a visual database design system that integrates database design, modeling, creation and maintenance into a single, seamless environment. It combines...

Free Windows Linux

Yakindu Statechart Tools

The free to use, open source toolkit YAKINDU Statechart Tools (SCT) provides an integrated modeling environment for the specification and development of reactive...

Free Open Source Mac OS X Windows Linux Eclipse

BOUML

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

Commercial Mac OS X Windows Linux

Invantive Studio

Powerful software development environment Invantive Studio is a rich software development environment that gives engineers and analysts the ability to design and...

Commercial Windows

Classbuilder

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...

Free Open Source Windows

TopCoder UML

TopCoder UML Tool is an easy to use, consistent modeling tool for use in Design and Development competitions. The new tool was built to model sequence, class, use case...

Free Open Source Mac OS X Windows Linux

Chrons Web Modeler

the Chronos Web Modeller is a collaborative tool for the creation of UML models with reporting, code and document generator . CWM offer an holistic MDA/MDD approach...

Free Open Source Web

jsUML2

A lightweight HTML5/javascript library for UML 2 diagramming. Alpha software. This project is in progress. Many functionalities are ready to be used. Nevertheless...

Free Open Source Web JavaScript

Modeliosoft

Whether you are a Business Architect, System Architect, Developer, Analyst or Designer, Modeliosoft meets your needs through its high quality solutions for modeling, and...

Commercial Windows Linux

ObjectAid

The ObjectAid UML Explorer is an agile and lightweight code visualization tool for the Eclipse IDE. It shows your Java source code and libraries in live UML class and...

Freemium Mac OS X Windows Linux

yUML

Create and share simple UML diagrams. Beta software. Supported diagram types: class, use case

Free Web

SEQO

SEQO generates UML sequence diagrams from a simple text. A sequence diagram is an interaction diagram that shows how objects operate with one another and in what order.

Free Mac OS X Windows

Eclipse Mode Development Tools

The Model Development Tools (MDT) project focuses on big "M" modeling within the Modeling project. Its purpose is twofold: To provide an implementation...

Free Open Source Mac OS X Windows Linux

Poseidon for UML

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...

Free Mac OS X Windows Linux

ckwnc

ckwnc is a uml sequence diagram creation tool that uses an intuitive c-style language to automatically create uml diagrams that can be saved as an image or embedded...

Free Open Source Linux Web

UModel

UModel is a UML (Unified Modeling Language) software modeling tool from Altova, the creator of XMLSpy. UModel supports all 14 UML 2 diagram types and adds a unique...

Commercial Windows