React

Bolt

Prompt to a running, deployed web app, built inside your browser

CopilotKit

Open-source SDK for agent-native app interfaces, makers of AG-UI

Lovable

Describe a web app in plain English and Lovable builds and hosts it

Tempo

Desktop AI software factory turning product issues into reviewed PRs

v0 by Vercel

Vercel's agent that turns prompts into full-stack web apps and deploys them