ZenUML is a sophisticated software modeler aimed to support agile and concise modeling with sequence diagrams.

The main targets of users are:

• Agile development teams
• Professional persons
• Educational institutes

The key features of ZenUML are:

• Multi-platform support (Web, Atlassian confluence, VS Code, JetBrains)
• UML 2.x standard compliant
• Rapid drawing without drag-and-drop
• Export to PNG/JPEG and PDF (on some platforms)