ckwnc alternatives

ckwnc is an open-source app for Linux and Online. It is free to use.

Alternatives

• PlantUML
• Visual Paradigm
• StarUML
• Modelio
• UMLet
• Astah UML
• Papyrus UML
• Software Ideas Modeler
• PlantText
• NClass
• Violet UML Editor
• SequenceDiagram.org