uml sequence

UML Diagram Editor

Cadifra UML Editor

UML Diagram Editor

Pacestar UML Diagrammer

Professional UML 2.0 diagramming tool

Sequence Diagram Editor

Create and edit UML sequence diagrams

Edraw UML Diagram

Perfect UML Diagram and Software Diagram Tool

Visual Paradigm for UML Modeler

UML tool supports latest UML standard