WhiteStarUML - WhiteStarUML is a fork of StarUML with an intent to revive its Delphi code base by updating code to...
System Designer - System Designer is a low code development platform that you can use to create UML-based models.
Eclipse Papyrus - Eclipse Papyrus is an industrial-grade open source Model-Based Engineering tool. Eclipse Papyrus has notably been used successfuly in industrial projects and is the base platform for several industrial modeling tools.
StarUML - StarUML
Dynamic Draw - A Powerful idea processor.It's Open Source and Freeware.
ObjectAid - The ObjectAid UML Explorer is an agile and lightweight code visualization tool for the Eclipse IDE.