| What it does | A free and open source math plotter, easy to pick up
| Precision 2D drafting and 3D modeling with multiplayer editing and AI
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| Stage | Established
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| Founded | 2011
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| Based in | Not given
| US
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| Pricing model | Open source
| Freemium
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| Pricing | Not given
| Free: $0 forever, includes 3 personal files, 3 DWG/DXF conversions monthly, 30 days version history, and 200 AI credits. Pro: $19/month or $190/year (Founder's Club pricing for new accounts until January 31, 2027; standard $29/month or $290/year), includes unlimited files, full version history, and
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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
| - 2D drafting with familiar tools (trim, extend, fillet, offset, hatches, blocks, layers)
- 3D solid modeling (booleans, fillets, lofts, sweeps, push/pull)
- Real-time multiplayer editing with live cursors
- Complete version history with change tracking and restore
- DWG and DXF import/export with layouts, blocks, dimensions
- AI agent that drafts, models, renders based on plain language
- Collaborative commenting and review pinned to drawings
- GD&T and geometric dimensioning annotations
- Layouts with viewports, print preview, PDF export
- JavaScript scripting API for custom commands
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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
| - Native browser-based CAD with no installation required, always on latest version
- Unified 2D and 3D workspace with familiar AutoCAD commands and shortcuts
- AI agent that understands design intent and applies changes as drafts for approval
- Handles large models with 250,000+ entities while maintaining performance
- Free viewers and reviewers with paid team model scaling by editors only
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 40 ▲ +1 (up) since last check | 10 ▲ +8 (up) since last check |
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| Trust Flow (Majestic) | 11 | 0 |
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| Citation Flow (Majestic) | 11 | 14 |
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| Referring domains (Majestic) | 53 | 10 |
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ZeGrapher
Aircad