Free during open beta
Build activity diagrams in Raltey
Describe a workflow and Raltey drafts a UML activity diagram with decisions, forks and joins, swimlanes, and end states.
What you can do
Built for activity diagrams that ship.
- Decisions, merges, forks, joins, swimlanes.
- Multiple end states and exception flows.
- Auto-layout that keeps swimlanes readable.
Try these prompts
Type, paste, done.
1.Activity diagram for a 3-step refund approval with manager escalation.
2.Onboarding flow with swimlanes for User, System, and CRM.
How it works
From prompt to activity diagram in three steps.
- 01
Describe the workflow
Mention actors and decisions.
- 02
Add detail
Insert swimlanes, fork/join, and exception flows.
- 03
Export
PNG, SVG, or PDF.
Who uses it
- Business workflows
- Approval processes
- Support runbooks
Why Raltey for this
- Auto-layout keeps swimlanes aligned as the flow grows.
Frequently asked
Are swimlanes supported?
Yes, with auto-layout that keeps lanes aligned as you add steps.
Is it free?
Raltey's Free plan includes the AI agent, 5 projects, and 10 AI generations per month. No credit card required.
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Build your first activity diagram in Raltey
Free plan includes the AI agent. No card required.