Motion-first React components for shadcn and AI agents, with every curve already tuned
Free online Mermaid diagram viewer and editor with live preview, AI generation, and exports
Stage
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Founded
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Based in
GB
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Pricing model
Freemium
Freemium
Pricing
Free: 65 open source components under MIT license. Pro Solo early-bird: $149 (regular $199). Pro Team early-bird: $349 (regular $449). One payment covers all current and future Pro components.
Free: unlimited editor and preview, 3 saved diagrams, 5 AI uses total, PNG export 1× with watermark. Starter: $6.99/month or $69.90/year; 30 saved diagrams, 500 AI conversations per month, PNG export up to 4× without watermark. Pro: $11.99/month or $119.90/year; unlimited diagrams, unlimited AI, PNG
Key features
65 free components under MIT license
31 Pro components with source code included
MCP server for AI agent integration
Works with Next.js 16 and React 19
Light and dark mode support
Respects reduced-motion settings
Tuned motion springs and curves
Concentric corner radius design
Markdown documentation for AI models
New Pro components added weekly
Live preview of Mermaid code as you type
AI diagram generator, editor and syntax fixer
PNG export on every plan; JPG, SVG and PDF on Pro
All 22+ Mermaid diagram types supported
Share diagrams via public links and embeds
Save diagrams to cloud with folders and version history
Keyboard shortcuts and autocomplete
Mobile-responsive editor with pan and pinch-zoom
What makes it different
All components tuned with motion springs and curves optimized per interaction
Built-in MCP server enables AI agents to automatically install components
One-time lifetime payment covers all current and future Pro components
Source code ownership with MIT and commercial licenses
Concentric corner radii maintained across all components
No account or sign-up required to start editing diagrams
Affordable pricing: Starter at $6.99/month, Pro at $11.99/month
Diagrams render in your browser; nothing stored unless you choose to save
Fast editor with instant rendering and clear error messages