Code generator, converts UML Class Diagram (XMI and Dia) to C# and VB.NET code. Can also output using XSLT Templates which adds support for almost any language. [Open Source, LGPL]

A framework that enables easy development of UML code generators conforming to the OMG's MDA (Model Driven Architecture). [Open source, GPL]

PragMatic is a MDA tool aiming at facilitating models manipulation. [Open Source, BSD]

A set of utilities that generate databases and customizable web applications automatically from UML class diagrams. [Open Source, GPL]

UML modeling and CASE tool that supports Java code generation and some reverse engineering. Eclipse plugin is also available. From the University of Paderborn in Germany. [Open Source, LGPL]

An UML tool that can be used both on desktop PCs and for creative, cooperative modeling on electronic whiteboards or tablet PCs. Supports Java reverse engineering, XMI and runs on Windows and Linux. By Ideogramic ApS. [Commercial, Free Trial]

An old OCL Parser written by IBM in Java and JavaCC. [Freeware]

A modeling solution designed to provide the tools necessary for development of enterprise systems. It supports business modeling, object-oriented and component modeling with UML, relational data modeling, and structured analysis and design. [Commercia...

JUDE is a unique UML modeling tool which supports object-oriented software design in Java combined with Mind Map. [Commercial, Community Edition]

A UML modeling tool that support round-trip engineering of C#, Visual Basic .NET, Java and C++. Integration with Visual Studio .NET and Eclipse. [Commercial, Free Personal Edition]