UMLet - UML Tool for Fast UML Diagrams
The free UML tool UMLet lets you draw UML diagrams with a light-weight, pop-up-free user interface. It lets you draw diagram sketches fast; export diagrams to pdf, eps, jpg, gif...
Favorites for Sally Testor
Install Sally Testor favorites
UML Lab Modeling IDE
UML Lab provides truly agile modeling and coding with Eclipse. The tool integrates UML modeling with code generation and template-based reverse and round-trip engineering.
PlantUML plugin
The plantuml library implements a DSL and renderer for many UML diagrams (class, sequence, objects, states, activities, …). See http://plantuml.com for more info about the DSL and...