lock_open Free · No Login · Runs in Browser

Build. Experiment. Create.

Pick a lab and start building. Everything runs in your browser — Python, web projects, graphic design, data analysis, system architecture, and AI assistants.

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code
Code Editor
Write and run Python or JavaScript. Real execution via Pyodide — not a simulation.
def fibonacci(n):
  if n <= 1: return n
  return fibonacci(n-1) + fibonacci(n-2)

> 0, 1, 1, 2, 3, 5, 8, 13...
Python · JavaScript · Ctrl+Enter to run
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neurology
AI Learning Lab
Master AI tools through guided courses. Prompt craft, code with AI, design with AI, and more.
5 modules · Personalized
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web
Web Editor
HTML, CSS, JS with live preview. Build web pages and export as ZIP.
Live preview · Export ZIP
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brush
Graphic Design
Shapes, text, freehand drawing. Export PNG or SVG. Like a mini Canva.
Fabric.js canvas · Export
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analytics
Data Notebook
Jupyter-style cells. Run Python, explore data, compute stats. Pyodide powered.
Shift+Enter to run
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hub
System Design
Drag and drop servers, databases, load balancers. Draw connections. Build architecture diagrams.
Drag · Connect · Design
What can you build?
• Python scripts and algorithms
• Full web pages with HTML, CSS, JS
• Graphic posters and social media cards
• Data analysis with charts
• Architecture diagrams and flowcharts
• AI-assisted code and writing