Free uml case software for windows

UML Pad is a CASE tool for UML diagrams design. UML Pad is a CASE tool for UML diagrams design.
It supports Class, Sequence, State and Activity diagrams.
UML Pad also allows printing and exporting of the diagram images.
For Class diagrams its also possible to export the documentation in html format.
UML Pad is also pretty small for a UML diagram design tool, simple and easy-to-use.

ArgoUML is a pure Java open source UML CASE tool that provides cognitive support for object-oriented design.
ArgoUML is a tool that allows you design projects.
ArgoUML provides some of the same editing and code generation features of a commercial CASE tool, but it focuses on features that enhance usability and support the cognitive needs of designers. Uses XML file formats: XMI and PGML.
Main features:
- Click and Go! with Java Web Start
- Platform Independent: Java 1.4+
- Standard UML 1.3 Meta-Model
- 8 out of 9 Diagrams supported
- XMI-Support
- Export Diagrams as GIF, PS, EPS, PGML and SVG
- Internationalization EN, DE, ES, RU, FR, NB
- Advanced diagram editing and Zoom
- OCL Support
- Forward Engineering
- Reverse Engineering / Jar/class file Import
- Cognitive Support
- Reflection-in-action
- Design Critics
- Corrective Automations (partially implemented)
- "To Do" List
- User model (partially implemented)
- Opportunistic Design
- "To Do" List
- Checklists
- Comprehension and Problem Solving
- Explorer Perspectives
- Multiple, Overlapping Views
- Alternative Design Representations: Graphs, Text, or Table

Visual Paradigm for UML is a professional UML tool that supports complete software lifecycle - object-oriented analysis, object-oriented design, construction, testing and deployment.Visual Paradigm for UML (Standard Edition) is a powerfull tool that generates code from diagrams and generates documentation.
The UML modeling software helps you build quality applications faster, better and at lower cost. You can draw all types of class diagrams, reverse code, generate code from diagrams and generate documentation. The UML CASE tool also provides abundant UML tutorials, UML interactive demonstrations and UML projects.
Visual Paradigm for UML is a professional UML tool that supports complete software lifecycle - object-oriented analysis, object-oriented design, construction, testing and deployment. The UML modeling software helps you build quality applications faster, better and at lower cost.
You can draw all types of class diagrams, reverse code, generate code from diagrams and generate documentation. The UML CASE tool also provides abundant UML tutorials, UML interactive demonstrations and UML projects.
Main features:
- The latest UML support (class diagram, use case diagram, sequence diagram, collaboration diagram, state diagram, activity diagram, component diagram, deployment diagram)
- OO analysis (OOA), OO design (OOD) support
- Use case modeling
- Textual analysis for identifying candidate actors, use cases, classes...
- CRC (Class-Responsibility-Collaborator) Card diagram
- Business Workflow diagram - Process, Decision, Business Actor, Document
- Incremental roundtrip engineering
- Reverse engineering - code to model, code to diagram (Java to UML models, Java to class diagram)
- Reverse engineering Java, C++, XML Schema, XML, DotNET exe/dll, CORBA IDL
- Code Generation - model to code, diagram to code (UML model to code, class diagram to Java)
- Auto-synchronization between source code and diagrams
- Report generator for generating documentation
- Automatic diagram layout - rearrange classes and connectors in UML diagrams
- Import XMI file/export XMI file
- Import Rational Rose project file
- Microsoft Visio Integration - draw UML diagrams with Visio stencils
- Export diagrams to images (PNG, JPG, SVG)
- Version control
- Plugin and template
- Multilingual support
Version restrictions:
- 29 days trial