XState
Build state machines with Stately, but lacks deep code integration.
At a glance
Starts at
Free, $39 per month
Price as published by the vendor, September 2026.
Free tier
Yes, limited
Platforms
Web
Best for
Visual state machine design and prototyping.
Not for
Deep codebase integrators
4.0 out of 5
Scored by a Toolio reviewer after real useOur verdict
Stately excels for teams needing a visual approach to state management. It is not ideal if you need deep code-level features or integrations.
✓What it does well
Visual editorDesign complex flows with drag and drop in the visual editor.
AI integrationGenerate and modify state machines using AI assistance.
Team collaborationSupports adding users, shared projects, and version history for teams.
✕Where it falls short
No native code-level featuresCannot directly integrate with deep codebase without extra steps.
Limited free planFree plan includes only one project and three machines, restrictive for larger teams.
No hosted service plansDoes not offer custom server locations or single sign-on hosting options directly.
Key features
Auto-generation of codeGenerate JavaScript and TypeScript code from diagrams.
Live simulation modeSimulate state machines during development for testing.
GitHub syncAutomatically export generated code to GitHub repositories.
Sequence diagram visualizationAutomatically export generated code to GitHub repositories.