Learn by Simulating

Free interactive simulations for the world's hardest subjects. Quantum physics, robotics, chip design, biotech, space — running in your browser. No install, no signup, no cost.

35+
Simulations
9
Domains
30+
Institute Pages
$0
Forever

The Stores

Each domain is a curated store of interactive simulations + a comprehensive educational institute. Free stores are free forever. Pro stores add server-powered features for $9/mo.

New Frontiers

🦾 FreeRobotStore Free
Robot arm, drone simulator, car physics, walking robot, fluid dynamics, swarm intelligence, spider/snake robots — 23 interactive simulations.
Simulations Institute
23 demos
⚛️ FreeQuantumStore Free
Bloch sphere, quantum gates, entanglement experiment, Grover's algorithm — learn quantum computing by doing.
Simulations Institute
4 demos
🧬 FreeBioStore Free
Molecular dynamics with phase transitions, evolution simulator with natural selection — biotech simulations in your browser.
Simulations Institute
2 demos
🔲 FreeChipStore Free
Logic gates, ALU simulator, flip-flops & counters — learn chip design from transistors to CPUs.
Simulations Institute
3 demos
🚀 FreeSpaceStore Free
Orbit simulator, N-body gravity sandbox, Tsiolkovsky's rocket equation — spaceflight physics in your browser.
Simulations Institute
3 demos
⚛️ ProQuantumStore Pro
Server-powered quantum simulator. 30+ qubits, noise models, hardware transpilation. Prepare circuits before running on real quantum computers.
Simulators Coming Soon
8 planned

Original Platform

📱 FreeAppStore Free
Free PWA apps. 44 apps with full SDK (auth, storage, rooms, webhooks). VibeCode AI builder creates apps from descriptions.
Apps SDK VibeCode
144 repos
📱 ProAppStore Pro
Paid app marketplace. Server-side AI, D1 database, file storage, push notifications, Stripe payments. $9/mo unlocks everything.
Apps SDK Marketplace
28 repos
🎮 FreeGameStore Free
50+ browser games. 8 templates (canvas, 3D, grid, cards, Phaser, Pixi, Kaplay, Babylon). Leaderboards, quality audits.
Games SDK Templates
80 repos
🌐 FreeWebStore Free
AI-built websites for small businesses. Describe your business, AI builds and deploys a site in under a minute. 108 niche templates.
Sites AI Builder
14 repos
🤖 FreeAgentStore Free
53 browser-based AI tools. Transcription, TTS, background removal, code review — all running on your GPU. Zero server cost.
Agents Key Vault
52 repos
🤖 ProAgentStore Pro
Server-powered AI agents. Workers AI, Durable Objects, knowledge bases. 10 flagship agents for business automation.
Agents Marketplace
11 repos

How It Works

Every domain follows the same pattern. Free stores run entirely in your browser — no server, no cost, no limits. Pro stores add server-powered features for professionals.

Free Store

Browser simulations
Open source (MIT)
Free forever

→

Institute

Courses, papers, tools
Educational KB
Always free

→

Pro Store

Server compute
Real hardware access
$9/mo everything