| What it does | A free and open source math plotter, easy to pick up
| Inspect and edit any website like a design tool, then hand the changes to your coding agent
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| Stage | Established
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| Founded | 2011
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| Based in | Not given
| NZ
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| Pricing model | Open source
| Freemium
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| Pricing | Not given
| Free: $0 forever, no card or account required. Pro: $59 a year (about $4.92 a month billed yearly), or monthly subscription available. Lifetime: $149 once, for the first six months or 200 buyers, includes every 1.x version and version 2 at half price. Team: $12 a seat, a month, from three seats, com
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| Key features | - Natural function notation like f(x) = 2 + cos(x)
- Sequences from recurrence relations
- Parametric equations with custom intervals
- CSV data import and spreadsheet editing
- Animated constants and variable families
- Vector and image exports (SVG, PDF, PNG, JPEG, BMP, PPM)
- Grid customization with π multiples for ticks
- Interactive navigation with drag and zoom
- Multi-language support in 9 languages
- Built-in manual and automatic work saving
| - Inspect CSS, Tailwind, React and HTML
- Edit the live page like a design tool
- Check WCAG 2.2 AA and usability heuristics
- Clone pages to React, Figma, PDF or HTML
- Extract design system as DESIGN.md and W3C design tokens
- MCP server for Claude Code, Cursor, Codex and other coding agents
- Full site scan
- Annotations and reports
- Page export to Figma, PDF, HTML, CSS, PNG, JPG
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| What makes it different | - Draws mathematical objects exactly as written on paper with natural notation
- Handle CSV files of several million cells
- Objects can build on each other in expressions
- Exports with exact size in real centimeters
- Fully free and open source under GNU AGPL license
| - Hand changes directly to your coding agent over MCP
- All work stays on your computer, no server reads your pages
- Founding price locked for life, no surprise subscription increases
- Pay once with Lifetime option including version 2 at half price
- Full refund within 14 days, no questions asked
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 40 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 11 | 0 |
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| Citation Flow (Majestic) | 11 | 12 |
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| Referring domains (Majestic) | 53 | 1 |
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ZeGrapher
Xakto