UmlDesigner

Open Source / Non-Proprietary

A .NET based UML tool supporting generation of C# code.

The UML Designer is an easy to use tool for quick design of C# based software systems with automatic code generation to allow a solid starting point for development.

Advantages
- Free to use!
- C# Code Generation
- Multiple zoom levels for working with larger documents
- Support for one-to-many associations, with C# collection class support
- Notes which can be attached to classes or even links between classes
- Printing UML diagrams
- Saving UML diagrams as images
- A rich set of layout manipulation tools
- Traditional application features such as: copy & paste, undo & redo, etc...

mailto: umldesigner@greenbirdsoftware.com.
License: http://www.greenbirdsoftware.com/eula.html