Bolt
Definitions
An AI-powered web development platform by StackBlitz that generates full-stack web applications from natural language descriptions. Bolt runs entirely in the browser using WebContainers (Node.js running in WebAssembly), letting users create, edit, and preview applications without any local setup. Users describe what they want to build, and Bolt generates the project structure, installs dependencies, writes code across multiple files, and provides a live preview. It can use frameworks like React, Next.js, and Astro. Bolt represents the convergence of AI code generation and browser-based development environments, making it possible to go from idea to working prototype in minutes. It competes with Lovable and Replit Agent in the AI app generation space.
In plain English: An AI tool that builds entire web applications from a text description, running everything in your browser. Describe your app and watch it come to life with real code you can edit.
Example: I told Bolt to build a habit tracker with charts and user auth. Five minutes later I had a working Next.js app running in my browser.