yEd Graph Editor
A multi-document diagram editor that generates high-quality diagrams with a single click.
Website30Top features
- ER Diagrams
- Sequence Diagrams
- Portable
- 14 more...
Visual Paradigm
Our UML design and CASE tool helps you visualize and model software systems with ease. It supports a wide range of modeling standards to meet your needs.
Top features
- Code generation
Papyrus UML
Effortlessly create and collaborate on complex software designs with our open-source, graphical modeling UML tool.
Top features
- SysML
Platforms
- Mac
- Eclipse
- 2 more...
Languages
- English
Top features
- Support for Unicode
Platforms
- Windows
Languages
- English
astah Community Edition
Astah Community helps improve development processes by enhancing UML with innovative modeling tools that can be easily implemented and used immediately after download.