Free during open beta
Build PlantUML-compatible diagrams in Raltey
Raltey covers the UML diagram types PlantUML supports (class, sequence, activity, state, use-case, component) on a visual canvas, with an AI agent that can draft each from a prompt.
What you can do
Built for PlantUML diagrams that ship.
- Class, sequence, activity, state, use-case, component.
- AI agent drafts the diagram from a description.
- Visual canvas with auto layout.
Try these prompts
Type, paste, done.
1.PlantUML class diagram for a billing service.
2.Sequence diagram for OAuth2 in PlantUML style.
How it works
From prompt to PlantUML diagram in three steps.
- 01
Prompt
Describe the diagram.
- 02
Edit visually
Drag, rename, reroute.
- 03
Export
PNG, SVG, or PDF.
Who uses it
- UML in version control
- Design docs
- Architecture reviews
Why Raltey for this
- Visual canvas plus AI agent for teams that mostly publish UML.
Frequently asked
Which PlantUML diagram types are covered?
Class, sequence, activity, state, use-case, and component.
Is it free?
Raltey's Free plan includes the AI agent, 5 projects, and 10 AI generations per month. No credit card required.
Other diagram guides
Build flowcharts with RalteyBuild mind maps with RalteyDesign database schemas in RalteyBuild entity relationship diagrams (ERDs) in RalteyBuild UML diagrams in RalteyBuild sequence diagrams in RalteyBuild class diagrams in RalteyBuild activity diagrams in RalteyBuild state diagrams in RalteyBuild use case diagrams in RalteyBuild swimlane diagrams in RalteyBuild system architecture diagrams in Raltey
Build your first PlantUML diagram in Raltey
Free plan includes the AI agent. No card required.