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

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

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