Visual Paradigm for UML Community Edition (VP-UML CE) is full feature UML modeling tool plus ERD support. VP-UML CE supports all latest UML version notations. VP-UML CE is free for non-commercial use. VP-UML CE is design for who need to learn UML. VP-UML CE is zero learning curve modeling tool. Modeler can familiar with all modeling features within 10 minutes. Selected Features: -Support UML 2.x - Class Diagram - Use Case Diagram - Sequence Diagram - Communication Diagram - State Machine Diagram - Activity Diagram - Component Diagram - Deployment Diagram - and more… -Requirement Diagram -Drawing Entity Relationship Diagram -Better annotation for sequence diagram (New) -Unique resource-centric interface -Callout and Freehand shape -Automatic diagram layout and reroute connector -Support line jump in Arc Square Skip or normal -Align Connector Caption base on Connector Orientation Product Homepage: http://www.visual-paradigm.com/product/vpuml/ What VP-UML Provides http://www.visual-paradigm.com/product/vpuml/provides/ Drawing class diagram http://www.visual-paradigm.com/product/vpuml/provides/structuralmodeling.jsp#classdiagram Advanced diagramming toolset http://www.visual-paradigm.com/product/vpuml/provides/diagramtools.jsp Screenshot: http://www.visual-paradigm.com/product/vpuml/provides/screenshots.jsp Tutorial: http://www.visual-paradigm.com/product/vpuml/tutorials.jsp Download Free copy: http://www.visual-paradigm.com/download/vpuml.jsp?edition=ce