stackblitz/core
Core
Online IDE powered by Visual Studio Code ⚡️
Features
- Node.js Sandbox Runtimes - Runs a full Node.js environment inside the browser using WebAssembly and a virtualized filesystem.
- VS Code Editors - Provides a full VS Code-based editor with extension support that runs entirely in the browser.
- Node.js Browser Emulation - Executes Node.js applications entirely within a browser environment without a remote server.
- WebContainers-Based Embeddings - Embeds a Node.js runtime into third-party apps via the WebContainers API for interactive playgrounds.
- Editor Launches - Launches a complete code editor with git integration and hot-reloading preview from a single link.
- Virtual File System Layers - Provides a writable, in-memory filesystem that mirrors a real disk for sandboxed execution.
- Live Browser Launches - Opens a GitHub repository as a live, editable project in the browser using a structured URL template.
- Browser-Based IDEs - A full Visual Studio Code editor with extensions and terminal that runs entirely in the browser.
- HTTP API-Based Integrations - Clones, commits, and pushes to remote repos using only browser-accessible HTTP endpoints.
- Browser-Based Development Environments - Boots a complete Node.js development environment inside a browser tab using WebAssembly.
- Repository Launches - Launches a complete desktop-grade development environment in the browser from any GitHub repository.
- Git Provider Connections - Links the IDE to enterprise Git providers for streamlined version control workflows.
- Remote Development Environments - Spins up a complete development environment from a GitHub repo or pull request, accessible instantly via a URL.
- WASI-to-Browser Bridges - Translates WASI system calls into browser APIs for native Node.js module execution.
- Browser Sandbox Emulations - Replicates the VS Code extension API in the browser for desktop-grade extensions in a web sandbox.
- Development Servers - Executes full Node.js development servers and terminals locally inside the browser using WebContainers.
- Live Browser Imports - Opens any public GitHub repository as a live, editable project in the browser via a structured URL.
- Node.js Runtimes - A runtime that executes Node.js applications and development servers inside the browser using WebAssembly.
- Offline Environments - Continues development work even after losing internet connectivity, with the full environment remaining functional.
- Starter Boilerplates - Packages boilerplate code into starter templates that others can clone and run instantly.
- IDE Components - A customizable web-based editor that can be embedded into third-party applications using the WebContainers API.
- Search and Indexing - Indexes project code and lets users find files, symbols, and text matches instantly.
- Embeddable Launch Buttons - Displays a clickable call-to-action image in documentation that loads a code example into the browser IDE.
- Persistent URL Sharing - Exposes a running application via a persistent URL that never sleeps for sharing.
- API-Based Creations - Generates new projects from external data sources using a POST API or JavaScript SDK methods.
- Repository Forking on Open - Creates a writable copy of a repository when the link is opened for editing without affecting the original.
- Live Editable Snippets - Inserts live, editable code snippets from repositories into documentation for hands-on learning.
- Live Snippets - Embeds live, editable code snippets from a project into documentation or blogs for hands-on learning.
- Node.js Version Managers - Switches between different Node.js runtime versions for compatibility testing within the browser IDE.
- Browser Environment Integrations - Makes proprietary npm packages available inside the browser-based development environment.
- WASI Program Execution - Runs WebAssembly System Interface (WASI) programs inside the browser-based runtime.
- Enterprise SSO Authentication - Connects the IDE to an existing Single Sign-On provider so users log in with their corporate credentials.
- Dashboard Connections - Connects a private GitHub repository to a project through the dashboard interface for live editing.
- URL State Serialization - Encodes the entire project state into a shareable URL for instant cloning and forking.
- CORS Bypass Proxies - Intercepts browser network requests through a service worker to bypass CORS restrictions.
- Browser Reviews - Spins up a full IDE and dev server for any pull request, eliminating local branch checkouts.
- Full IDE Caching - Caches the entire IDE runtime and project files locally for full offline development functionality.
- Editor Live Previews - Provides real-time preview of changes while editing documentation or blog content in a browser-based editor.
- Persistent URL Hosting - Hosts running applications at permanent URLs that never sleep and have no bandwidth limits.
