| What it does | Real UI design references for coding agents
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| Stage | Not given
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| Pricing model | Freemium
| Free
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| Key features | - 500,000+ real UI screens
- DESIGN.md documentation for every web design pack
- Agent SDK integration
- Save references to collections
- Works with Claude, Cursor, Codex and Windsurf
- Free public library browsing
| - 39 scientific models across mathematics, physics, chemistry, engineering, life sciences, economics and geospatial analysis
- 3,438 capabilities with worked examples and formulas
- Desktop app for Windows and Linux
- Command-line interface for scripts and terminal
- In-browser calculator on every model page
- Python packages via pip
- SpaceBuild for space system design with 146 products
- MachineBuild for engineering and mechanical design with 1,042 products
- Capability orb visualization of all 3,438 capabilities
- No internet or account required
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| What makes it different | - Real UI, not AI slop
- DESIGN.md documentation with colors, typography and implementation notes
- Lifetime access option with one-time payment
- Direct integration with MCP clients
| - Runs completely offline with no data sent anywhere
- Shows all working and formulas for every calculation
- No sign-up required or accounts needed
- Available as desktop app, CLI, browser, and Python package
- Models improve themselves through local research
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 6 ● no change since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 3 | 0 |
| Citation Flow (Majestic) | 29 | 0 |
| Referring domains (Majestic) | 20 | 0 |