Bolt (StackBlitz)

Bolt.new is an AI-powered app and website builder developed by StackBlitz, Inc., based in San Francisco. It allows users to create full-stack web applications by simply describing their needs in natural language, all within a browser environment. The platform is designed for quick development, enabling users to generate code, preview it live, edit, and deploy without the need for a local setup. The core feature of Bolt.new is its prompt-to-app workflow, which caters to a wide range of users, including non-technical founders, product managers, designers, and developers. Key capabilities include web app generation, website and landing page creation, mobile app prototyping, and direct code editing and deployment. The platform leverages StackBlitz’s WebContainers technology to facilitate browser-based development and offers AI-assisted collaboration tools, including GitHub integration. With over 1 million websites utilizing its services and a large user base of more than 1 million monthly active users, Bolt.new is positioned as a valuable resource for those looking to build software quickly and efficiently.

Prompt-to-app builder from StackBlitz. ARR went from $0 to $40M in five months after launch (March 2025); raised $105M in January 2025.