Create visual representation of processes, organizations, and mind maps.
Faculty of Management Science and Informatics, University of Zilina
It's aimed towards diagram types commonly used by people involved in IT.
Creates call flows & UML sequence diagrams from textual inputs.
Diagram Designer is a graphics editor tool to edit graphical data.
Green Bird Software
A small program to draw class diagrams and generate code.
Diagram Ring is an open source advanced diagram editor.
Digitron Software Ltd
Create UML Class Diagrams with automatic layout, requiring no manual positioning.
Create UML class diagrams with full C# and Java language.
It dynamically produces some UML-like diagrams from various sources.
Enables the bi-directional conversion of UML Class Models and Data Models.
Poseidon for UML is a great UML tool with a complete set of diagrams.
Microgold Software Inc.
WithClass is a rich featured UML Modeling Tool to draw UML Diagrams.
A UML modeling tool that supports the majority of UML diagrams.
Professional UML Diagrams and Software Diagrams Drawing Tools with Examples.
Creates activity diagrams, class and object diagrams and communication diagrams.
Cay S. Horstmann
Violet is a UML editor, very easy to learn and use, draws nice-looking diagrams.