Stitch 2.0 by Google
Stitch is Google’s free AI-native UI design tool that turns natural language descriptions, sketches, or voice commands into production-ready high-fidelity interfaces in seconds. Powered by Gemini 2.5 Pro. Features an infinite canvas, design agent, instant prototypes, DESIGN.md export, and Figma/code export. 350 free generations per month. No credit card required.