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

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

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

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

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

Gravizo

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.

Free Web Self-Hosted

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