| What it does | Real product screens and design references for coding agents
| Free online tools for flowcharts, charts, diagrams and timelines with no sign-up
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Free: no account required, all diagram and chart makers, PNG/SVG/PDF export, no watermark. Pro: Monthly $9.99 a month, Yearly $99.99 a year with 7-day free trial, Lifetime $239.99 once. Euro area: €10.99 a month, €109.99 a year, €259.99 once (VAT included).
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| Key features | - Browse onboarding flows and user journeys
- Measured design guides with fonts, colors, and spacing
- Compare UI designs against real products
- Generate agent-ready build prompts
- MCP server integration with Claude, Cursor, VS Code, ChatGPT
- REST API endpoint for programmatic access
- Documented interactions and design observations
- No account or API key required
| - Flowchart and process diagram maker with canvas and text-to-diagram modes
- Text-to-diagram tools for UML, ER and sequence diagrams
- Chart tools: pie chart, line graph, gauge and Sankey diagram
- Automatic diagram layout from typed text
- Export to PNG, SVG and PDF without watermark
- Share diagrams with share links
- Pro: editable .drawio export and vector PDF
- Pro: multi-page documents and layers
- Diagram checks for unlabelled branches and dead ends
- Works on phone and computer
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| What makes it different | - 191 product collections with 7,803+ real UI captures, not templates or mockups
- Designed specifically for coding agents to reference during UI development
- Free with no limits, accounts, or API keys required
- MCP server compatibility for seamless agent integration
- Documented design patterns with measured design guides for each product
| - Completely free with no account required and no watermark on exports
- Nothing uploaded: all work stays on your device in your browser
- Results computed by the same tested code, not manually typed
- Multiple export formats: PNG at 4 sizes, SVG and PDF
- Converts between formats: Mermaid to draw.io, SQL to ER, Visio to flowchart
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 3 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 18 | 19 |
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| Referring domains (Majestic) | 8 | 4 |
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Screenrove
Diagram Smith