Alloy is described as 'The first lifelike AI prototyping tool for product managers, built to turn ideas into high-fidelity, clickable prototypes fast. Recreate existing product pages in minutes, keep component libraries and design systems in sync, and explore new flows with pixel-perfect' and is a Prototyping tool in the development category. There are more than 10 alternatives to Alloy for a variety of platforms, including Web-based, SaaS, Android, iPhone and Mac apps. The best Alloy alternative is Penpot, which is both free and Open Source. Other great apps like Alloy are Figma, Lovable, Google Opal and Bolt.new.