The universal digital lab where beginners write their first script, and indie hackers build world-class software. Runs seamlessly on any device—just open the browser and start building.
Launch CipherXOS →
Run Python natively via WebAssembly (C++, Lua, Go coming soon). Zero servers, zero installations, no waiting.
Built-in AI assistant that reads your project files, finds bugs, and writes code. Connect your own API key for maximum privacy.
Full SQLite database running directly in the browser via OPFS. Saved workspaces and persistence coming in the full release.
Designed to be extremely lightweight, running directly in the browser. Powered by Service Workers for full offline capability.
Every line of code runs entirely on the user's device. Distribute data via WebRTC P2P Mesh. Scale without a single centralized server bill.
We never see your code. It stays securely in your browser's OPFS. When using AI, code goes directly to the provider you choose. Zero telemetry.
Manage your local assets securely within your browser's local OPFS storage. Zero backend required.
• VFS Technology: A complete Virtual File System mimicking a real OS.
• Offline Capable: Editor and engines work offline after first load.
• Strict Privacy: Code stays entirely on your local device.
Custom-built lightweight editor. Enjoy professional syntax highlighting, autocompletion, multi-cursor, and multi-tab editing.
• Lightweight & Fast: Custom-built zero-dependency editor.
• Air-Gapped: Proprietary keystrokes never leave the host device.
• Zero Cost: Run full dev workflows locally without cloud containers.
A real-time live preview engine rendering your VFS natively in an isolated iframe with absolute zero latency.
• 0ms Latency: See results immediately without local server setup.
• Secure Sandbox: Untested code is strictly isolated from your machine.
• Rapid Prototyping: Design mode for immediate visual feedback.
A simulated bash environment allowing you to navigate the file system and run mock commands effortlessly.
• Safe Learning: Practice Bash safely without risking actual system damage.
• Network Monitor: Watch active VFS fetches in real-time.
• Auto-Recovery: Terminal self-heals from fatal memory errors.
Decentralized WebRTC mesh. Generate invite codes to host workspaces or join environments globally without servers.
• Serverless Collab: Collaborate instantly without cloud costs.
• Enterprise Ready: Works securely on local LAN via WebRTC.
• Zero Latency: True P2P ensures instant keystroke sync.
Built-in Code generation and debugging tool. Connect your own API keys for zero-server AI or run local models.
• BYOK Privacy: Code goes straight from browser to LLM. No proxy.
• Automated RAG: AI natively understands project context.
• Direct API: Communicates securely with your chosen AI provider.
| Feature | CipherXOS | vscode.dev | StackBlitz | Replit |
|---|---|---|---|---|
| Zero Setup | ✓ Instant | ✓ Instant | ✓ Instant | ✓ Instant |
| Runs 100% Offline | ✓ Yes (after first load) | ✗ Requires Sync | ✗ Needs Connection | ✗ Cloud Required |
| Fast Internet Needed | ✗ No (after first load) | ✗ No | ✓ Yes | ✓ Yes |
| Institutional IT Cost | 0 Cost | 0 Cost | Medium | High |
| Data Privacy | ✓ Local (AI is opt-in) | ✓ Local | ✓ Local | ✗ Cloud |
Join the waitlist for early access!